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TI-2023-30206 Aliases CVE-2023-53923GHSA-33jq-r57w-5666

UliCMS 2023.1 Privilege Escalation via Unauthenticated Admin Account Creation

Priority HIGH 81CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00554 46th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UlicmsUlicms2023.1—No fix listedCNA
  • Ulicms VendorUlicms Affected 2023.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ulicms:ulicms:2023.1:*:*:*:*:*:*:*2023.1VulnerableUlicms
  • cpe:2.3:a:ulicms:ulicms:2023.1:*:*:*:*:*:*:* Versions 2023.1 Vulnerable ·Ulicms

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-53923
  2. 2026-10-03 Alias added: GHSA-33jq-r57w-5666

References

Exploit 1

Other 1

  • TI-2023-30197 UliCMS 2023.1 Authentication Bypass via Mass Assignment Vulnerability CVSS 4.0CRITICAL 9.3
  • TI-2023-30207 UliCMS 2023.1-sniffing-vicuna Remote Code Execution via Avatar Upload CVSS 4.0HIGH 8.7
  • TI-2023-30208 UliCMS 2023.1 Stored Cross-Site Scripting via SVG File Upload CVSS 4.0MEDIUM 5.1
  • TI-2019-08514 Multiple cross-site scripting (XSS) vulnerabilities in UliCMS 2019.2 and 2019.1 allow… CVSS 3.0MEDIUM 6.1
  • TI-2020-10102 UliCMS before 2020.2 has PageController stored XSS. CVSS 3.1MEDIUM 6.1
  • TI-2020-10101 UliCMS before 2020.2 has XSS during PackageController uninstall. CVSS 3.1MEDIUM 6.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences