CVE-2022-50912

9.3 criticalEPSS 1.2%

Critical (9.3) in impresscms impresscms. EPSS 1.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

9.3 critical

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

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 68% of CVEs (scores of 2026-10-31)
CWE: CWE-434
Published: 2026-01-13
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

impresscms:impresscms

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

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