Vulnerability · Published Jan 13, 2026 · Assigned by VulnCheck
CVE-2022-50912ImpressCMS 1.4.4 - Unrestricted File Upload
Critical 9.8
In plain English
A critical-severity unrestricted file upload in ImpressCMS from ImpressCMS. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.2%top 31.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ImpressCMS | ImpressCMS | 1.4.4 |
Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- ExploitDB-50890 exploit
- Official ImpressCMS Homepage product
- ImpressCMS GitHub Repository product
- VulnCheck Advisory: ImpressCMS 1.4.4 - Unrestricted File Upload third-party-advisory