CVE-2022-50912

ImpressCMS 1.4.4 - Unrestricted File Upload

CVSS 9.3 CRITICALEPSS 1.0%CWE-434

Vexday Risk Score

28Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 9.3EPSS 1.0%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

13 Jan 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

Affected products

ImpressCMS · ImpressCMS

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References

https://github.com/ImpressCMS/impresscms https://www.exploit-db.com/exploits/50890 https://www.impresscms.org/https://www.vulncheck.com/advisories/impresscms-unrestricted-file-upload