Xerte Online Toolkits File Upload RCE via elfinder Connector_CVE-2026-34415

{
    "lastseen": "",
    "description": "Xerte Online Toolkits versions 3.15 and earlier contain an incomplete input validation vulnerability in the elFinder connector endpoint that fails to block PHP-executable extensions .php4 due to an incorrect regex pattern. Unauthenticated attackers can exploit this flaw combined with authentication bypass and path traversal vulnerabilities to upload malicious PHP code, rename it with a .php4 extension, and execute arbitrary operating system commands on the server.",
    "published": "2026-04-22T18:33:17.741Z",
    "modified": "2026-04-22T18:33:17.741Z",
    "type": "cve",
    "title": "Xerte Online Toolkits File Upload RCE via elfinder Connector",
    "source": "VulnCheck",
    "references": "https://xerte.org.uk/xertetoolkits_3.15_ChangeLog.html\nhttps://xerte.org.uk/index.php/en/downloads-1/category/3-xerte-online-toolkits\nhttps://github.com/thexerteproject/xerteonlinetoolkits/issues/1527\nhttps://github.com/thexerteproject/xerteonlinetoolkits/commit/02661be88cc369325ea01b508086bde7fbfec805\nhttps://github.com/thexerteproject/xerteonlinetoolkits/commit/17e4f945fe6a3400fa88c01eda18c1075ee4a212\nhttps://github.com/thexerteproject/xerteonlinetoolkits/commit/507d55c5e91bf9310b5b1c7fad8aebfef902ad23\nhttps://www.vulncheck.com/advisories/xerte-online-toolkits-file-upload-rce-via-elfinder-connector",
    "id": "CVE-2026-34415",
    "bulletinFamily": "",
    "cwe": [
        "CWE-184"
    ],
    "cvelist": null,
    "sourceData": "thexerteproject xerteonlinetoolkits 3.15.0\nthexerteproject xerteonlinetoolkits 3.14.0\nthexerteproject xerteonlinetoolkits 3.13.0\nthexerteproject xerteonlinetoolkits 0\nthexerteproject xerteonlinetoolkits 0\nthexerteproject xerteonlinetoolkits 0",
    "sourceHref": "",
    "cvss": {
        "score": 9.3,
        "severity": "CRITICAL",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
        "version": "4.0"
    },
    "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": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "xerteonlinetoolkits",
    "version": "3.15.0",
    "vendor": "thexerteproject",
    "ai_description": "Incomplete input validation vulnerability in the elFinder connector endpoint, allowing unauthenticated attackers to upload and execute malicious PHP code",
    "ai_severity": "Critical",
    "ai_vendor": "The Xerte Project",
    "ai_product": "Xerte Online Toolkits",
    "ai_version": "3.15.0, 3.14.0, 3.13.0",
    "ai_score": 9.3
}