CVE-2026-48707

InstantCMS is a free and open source content management system. Versions prior to 2.18.2 have a Server-Side Request Forgery SSRF vulnerability in the file upload functionality "system/core/uploader.php" at lines 509-532. When the "upload from URL" feature follows an HTTP redirect, the redirected...

CVE-2026-48707: Server-Side Request Forgery (SSRF)

InstantCMS is a free and open source content management system. Versions prior to 2.18.2 have a Server-Side Request Forgery SSRF vulnerability in the file upload functionality system/core/uploader.php at lines 509-532. When the "upload from URL" feature follows an HTTP redirect, the redirected...