CVE-2022-50912

9.8 CRITICAL
Published: January 13, 2026 Modified: February 03, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/ImpressCMS/impresscms
Source: disclosure@vulncheck.com
Product
https://www.exploit-db.com/exploits/50890
Source: disclosure@vulncheck.com
Exploit Third Party Advisory VDB Entry
https://www.impresscms.org/
Source: disclosure@vulncheck.com
Product
https://www.vulncheck.com/advisories/impresscms-unrestricted-file-upload
Source: disclosure@vulncheck.com
Third Party Advisory

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
0.2%
41th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-434

Affected Vendors

impresscms

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