CVE-2023-53914

9.3 criticalEPSS 0.7%

Critical (9.3) in ulicms ulicms. EPSS 0.7% chance of exploitation in the next 30 days.

UliCMS 2023.1 contains an authentication bypass vulnerability that allows unauthenticated attackers to create admin users through mass assignment in the UserController. Attackers can send a crafted POST request to the admin index.php endpoint with specific parameters to generate an administrative account with full system access.

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: 0.7% chance of exploitation in the next 30 days; higher than 52% of CVEs (scores of 2026-10-31)
CWE: CWE-639
Published: 2025-12-17
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

ulicms:ulicms

References

https://web.archive.org/web/20230314183734/https://en.ulicms.de/
https://www.exploit-db.com/exploits/51486
https://www.vulncheck.com/advisories/ulicms-authentication-bypass-via-mass-assignment-vulnerability
https://www.exploit-db.com/exploits/51486

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