Critical severity9.8NVD Advisory· Published Dec 17, 2025· Updated Jun 17, 2026

CVE-2023-53923

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

UliCMS/UliCMSllm-fuzzy3 versions
2023.1+ 2 more
- (no CPE)range: 2023.1
- (no CPE)range: 2023.1
- cpe:2.3:a:ulicms:ulicms:2023.1:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

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

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