Authentication Bypass in UliCMS by UliCMS GmbH
CVE-2023-53914

9.3CRITICAL

Key Information:

Vendor

Ulicms

Status
Ulicms
Vendor
CVE Published:
17 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-53914?

UliCMS version 2023.1 is susceptible to an authentication bypass vulnerability that enables unauthorized attackers to create administrative accounts. This flaw arises from improper handling of inputs in the UserController, allowing attackers to exploit the admin index.php endpoint. By crafting a specific POST request with the necessary parameters, an attacker can generate an admin user, gaining full access to the system and potentially compromising sensitive data.

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Affected Version(s)

Ulicms 2023.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-53914 - Proof of Concept

References

https://www.exploit-db.com/exploits/51486
exploit
https://web.archive.org/web/20230314183734/https://en.uli...
product
https://www.vulncheck.com/advisories/ulicms-authenticatio...
third-party-advisory

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mirabbas Ağalarov
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