CVE-2023-53923 CRITICAL

CVE-2023-53923: UliCMS 2023.1 Privilege Escalation via Unauthenticated Admin Account Creation

Vendor Ulicms
Product Ulicms
Weakness CWE-862 · Missing authorization
Published December 17, 2025
Last update April 7, 2026
View on NVD All CVEs

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

December 17, 2025 CVE published
April 7, 2026 Record updated