UliCMS 2023.1 Privilege Escalation via Unauthenticated Admin Account Creation

Advisories

severity: critical
date: December 17, 2025
Affecting: Ulicms 2023.1
CVE: CVE-2023-53923
CWE: CWE-862 Missing Authorization
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-51433
Archived Product Webpage
Credit: Mirabbas Ağalarov
Description: UliCMS 2023.1 contains a privilege escalation vulnerability that allows unauthenticated attackers to create administrative accounts through the UserController endpoint. Attackers can send a crafted POST request to /dist/admin/index.php with specific parameters to generate a new admin user with full system access.