CVE-2023-53923

UliCMS 2023.1 Privilege Escalation via Unauthenticated Admin Account Creation

CVSS 9.3 CRITICALEPSS 0.5%CWE-862

Vexday Risk Score

28Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 9.3EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

17 Dec 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

Ulicms · Ulicms

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References

https://web.archive.org/web/20230314183734/https://en.ulicms.de/https://www.exploit-db.com/exploits/51433 https://www.vulncheck.com/advisories/ulicms-privilege-escalation-via-unauthenticated-admin-account-creation