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Critical · 9.8 CVE-2021-47753 EUVD-2026-2783GHSA-q6vq-8ww2-4v69

phpKF CMS 3.00 Beta y6 - Remote Code Execution (RCE) (Unauthenticated)

Published Jan 15, 2026 · Updated Apr 7, 2026 · Assigned by VulnCheck

Description

phpKF CMS 3.00 Beta y6 contains an unauthenticated file upload vulnerability that allows remote attackers to execute arbitrary code by bypassing file extension checks. Attackers can upload a PHP file disguised as a PNG, rename it, and execute system commands through a crafted web shell parameter.

Affected products

VendorProductAffectedFixed
Phpkf phpKF CMS 3.00 —

References