🚨 CVE-2026-87928
MaxSite CMS versions 0.94 through 109.6 contain a cross-site scripting vulnerability in the admin_page upload handler that allows any logged-in user to upload HTML files. Attackers can upload HTML containing malicious scripts to the uploads/_pages/ directory, which executes in visitors' browsers when the file is accessed, enabling persistent stored cross-site scripting attacks.
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GitHub
maxsite-cve2/2026.09.08-maxsite-cms-arbitrary-file-write-stored-xss.md at main · EviL0rd/maxsite-cve2
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September 9, 2026 7
