CVE-2023-53923

critical · 9.3

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.

9.3

CVSS

0.6%

EPSS (exploit prob.)

45th

EPSS percentile

2025-12-17

Published

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-862

Affected products

Vendor	Product	Affected versions
ulicms	ulicms	2023.1

Check a specific version with /api/v1/cve/match.

References

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2023-53923