Feed/CVE-2021-47753
CVE-2021-47753CRITICALCVSS 9.8

CVE-2021-47753

Published Jan 15, 2026·Updated Jun 16, 2026

NVD 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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

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