Security Advisory

CVE-2021-47753

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-01-15 15:52:03

Last updated 2026-04-07 14:05:56

Assigner VulnCheck

State PUBLISHED

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.

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