Vulnerability · Published Dec 17, 2025 · Assigned by VulnCheck
CVE-2023-53923UliCMS 2023.1 Privilege Escalation via Unauthenticated Admin Account Creation
Critical 9.8
In plain English
A critical-severity missing authorization in Ulicms from Ulicms. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 46% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.6%top 53.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- ExploitDB-51433 exploit
- Archived Product Webpage product
- VulnCheck Advisory: UliCMS 2023.1 Privilege Escalation via Unauthenticated Admin Account Creation third-party-advisory