{"id":60348,"date":"2026-06-05T16:21:19","date_gmt":"2026-06-05T16:21:19","guid":{"rendered":"https:\/\/zero.redgem.net\/?p=60348"},"modified":"2026-06-05T16:21:19","modified_gmt":"2026-06-05T16:21:19","slug":"haxcms-php-has-a-file-upload-validation-bypass","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=60348","title":{"rendered":"HAXCMS PHP has a File Upload Validation Bypass_CVE-2026-46400"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;HAX CMS helps manage microsite universe with PHP or NodeJs backends. Starting in version 11.0.6 and prior to version 25.0.0, the file upload functionality in HAXCMS PHP only validates file extensions using a regex pattern without checking the actual file content or MIME type. This allows attackers to upload malicious files (e.g., PHP webshells) disguised as legitimate image files, potentially leading to remote code execution. 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Starting in version 11.0.6 and prior to version 25.0.0, the file upload functionality in&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[6,8,19,12,15,13,7,11,5],"class_list":["post-60348","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-87","tag-exploit","tag-high","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>HAXCMS PHP has a File Upload Validation Bypass_CVE-2026-46400 - zero redgem<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zero.redgem.net\/?p=60348\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"HAXCMS PHP has a File Upload Validation Bypass_CVE-2026-46400 - zero redgem\" \/>\n<meta property=\"og:description\" content=\"{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;HAX CMS helps manage microsite universe with PHP or NodeJs backends. 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