Cross-Site Scripting Vulnerability in Zenar Content Management System
CVE-2018-25331

5.1MEDIUM

Key Information:

Vendor

Zenar

Status
Zenar Content Management System
Vendor
CVE Published:
17 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2018-25331?

The Zenar Content Management System has a vulnerability that allows unauthenticated attackers to inject malicious scripts via the current_page parameter in POST requests sent to the ajax.php endpoint. This vulnerability reflects unsanitized user input in the response HTML, enabling attackers to execute arbitrary JavaScript in the browsers of unsuspecting users. Proper input sanitization and validation measures are essential to mitigate such risks.

Affected Version(s)

Zenar Content Management System 7.0

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-2018-25331 - Proof of Concept

References

https://www.exploit-db.com/exploits/44664
exploit
http://demo.zenar.io
product
https://zenar.io/
product

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Berk Dusunur
.