CVE-2023-53923

UliCMS 2023.1 Privilege Escalation via Unauthenticated Admin Account Creation

Published Dec 17, 2025 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
CPEs cpe:2.3:a:ulicms:ulicms:2023.1:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Ulicms
Ulicms ulicms
Vendors & Products Ulicms
Ulicms ulicms
Type Values Removed Values Added
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.
Title UliCMS 2023.1 Privilege Escalation via Unauthenticated Admin Account Creation
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Apr 7, 2026, 2:07 PM
Reserved
Dec 16, 2025, 7:22 PM
Status
Modified
Published
Dec 17, 2025, 11:15 PM
Modified
Jun 17, 2026, 6:46 AM