Critical Severity Vulnerability
This vulnerability has been rated as Critical severity. Immediate action is recommended.
CVE-2022-50912
Critical
Low
Medium
High
Critical
9.8
CVSS Score
Published: Jan 13, 2026
Last Modified: Jan 14, 2026
Vulnerability Description
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.
CVSS Metrics
Common Vulnerability Scoring System
Vector String:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
N
Attack Complexity
L
Privileges Required
N
User Interaction
N
Scope
U
Confidentiality
H
Integrity
H
Availability
H
References & Resources
Severity Details
9.8
out of 10.0
Critical
Key Information
- Published Date
- January 13, 2026
