UliCMS 2023.1 Authentication Bypass via Mass Assignment Vulnerability

Advisories

severity: critical
date: December 17, 2025
Affecting: Ulicms 2023.1
CVE: CVE-2023-53914
CWE: CWE-639 Authorization Bypass Through User-Controlled Key
CVSS: 9.3
CVSS V4 Vector: 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
References: ExploitDB-51486
Archived Product Webpage
Credit: Mirabbas Ağalarov
Description: 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.