Arbitrary file upload in Impresscms
CVE-2022-50912
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.ph…
Vulnerability class: Unrestricted File Upload
EPSS: 0.010 (57.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Impresscms — versions 1.4.4
Weakness classification (CWE)
References
- disclosure@vulncheck.com (Exploit, VDB Entry, Third Party Advisory, exploit)
- disclosure@vulncheck.com (Product, product)
- disclosure@vulncheck.com (Product, product)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2022-50912?
- CVE-2022-50912 is a critical-severity vulnerability in Impresscms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-01-13.
- How severe is CVE-2022-50912?
- Critical severity. CVSS v3 base score is 9.8 out of 10.