CVE-2023-53923 | THREATINT

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.

PUBLISHED Reserved 2025-12-16 | Published 2025-12-17 | Updated 2025-12-18 | Assigner VulnCheck

CRITICAL: 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

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

Problem types

Missing Authorization

Product status

2023.1

affected

Credits

Mirabbas Ağalarov finder

References

www.exploit-db.com/exploits/51433 exploit

www.exploit-db.com/exploits/51433 (ExploitDB-51433) exploit

web.archive.org/web/20230314183734/https://en.ulicms.de/ (Archived Product Webpage) product

www.vulncheck.com/...-unauthenticated-admin-account-creation (VulnCheck Advisory: UliCMS 2023.1 Privilege Escalation via Unauthenticated Admin Account Creation) third-party-advisory

cve.org (CVE-2023-53923)

nvd.nist.gov (CVE-2023-53923)

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