PT-2025-51961 · Ulicms · Ulicms

Mirabbas Ağalarov · Published 2025-12-17 · Updated 2025-12-20 · CVE-2023-53923

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions UliCMS version 2023.1

Description An unauthenticated attacker can create administrative accounts through the UserController endpoint. By sending a crafted POST request to the /dist/admin/index.php endpoint with specific parameters, an attacker can generate a new admin user with full system access. The vulnerable parameter is not specified.

Recommendations Apply updates to address the issue. As a temporary workaround, restrict access to the /dist/admin/index.php endpoint to authorized users only.

Exploit

Fix

LPE

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2023-53923

Affected Products

Ulicms

References · 7

• 🔥 https://exploit-db.com/exploits/51433 · Exploit
• https://osv.dev/vulnerability/CVE-2023-53923 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-53923 · Security Note
• https://vulncheck.com/advisories/ulicms-privilege-escalation-via-unauthenticated-admin-account-creation · Note
• https://web.archive.org/web/20230314183734/https://en.ulicms.de · Note
• https://twitter.com/CVEnew/status/2002487783487897840 · Twitter Post
• https://twitter.com/0dayPublishing/status/2001731848813129741 · Twitter Post