Vulnerability Database

322,388

Total vulnerabilities in the database

CVE-2021-47753

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.

  • Published: Jan 15, 2026
  • Updated: Jan 24, 2026
  • CVE: CVE-2021-47753
  • Severity: Critical
  • Exploit:

CVSS v3:

  • Severity: Critical
  • Score: 9.8
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWEs:

Software From Fixed in
phpkf / cms 3.00-beta_y6 3.00-beta_y6.x