CVE-2023-53914

CRITICAL 9.8

UliCMS 2023.1 Authentication Bypass via Mass Assignment Vulnerability

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-639
Vendor	ulicms
Product	ulicms
Published	Dec 17, 2025
Last Updated	Apr 7, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

ulicms / Ulicms

2023.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Mirabbas Ağalarov