CVE-2023-53923

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Dec 17, 2025
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2023-53923: Critical severity, CVSS 9.8 | Vulnix