What’s Vulnerable › Vulnerabilities

CVE-2021-47753: phpKF CMS 3.00 Beta y6 - Remote Code Execution (RCE) (Unauthenticated)

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-01-15 · updated 2026-06-17
• Weakness: CWE-434

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

• phpKF CMS: 3.00-beta_y6

References

• https://www.exploit-db.com/exploits/50610
• https://www.phpkf.com/
• https://www.phpkf.com/indirme.php
• https://www.exploit-db.com/exploits/50610

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