CVE-2022-50912 CRITICAL

CVE-2022-50912: ImpressCMS 1.4.4 - Unrestricted File Upload

Vendor Impresscms
Product ImpressCMS
Weakness CWE-434 · Unrestricted file upload
Published January 13, 2026
Last update March 5, 2026
View on NVD All CVEs

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

ImpressCMS 1.4.4 contains a file upload vulnerability with weak extension sanitization that allows attackers to upload potentially malicious files. Attackers can bypass file upload restrictions by using alternative file extensions .php2.php6.php7.phps.pht to execute arbitrary PHP code on the server.

Key dates

02Disclosure timeline

January 13, 2026 CVE published
March 5, 2026 Record updated