Cross Site Scripting Vulnerability in YouDianCMS by YouDian Technology
CVE-2025-3531

5.3MEDIUM

Key Information:

Vendor
YouDian Technology
Status
Youdiancms
Vendor
CVE Published:
13 April 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A vulnerability has been identified in YouDianCMS version 9.5.21 that allows for cross site scripting (XSS) attacks. This issue resides within the file /App/Tpl/Admin/Default/Log/index.html, whereby manipulation of the UserName and LogType arguments can lead to the execution of malicious scripts in user browsers. Attackers can exploit this vulnerability remotely, posing significant security risks to users. The issue has been publicly disclosed, and the vendor has not yet provided a response to the concerns raised.

Affected Version(s)

YouDianCMS 9.5.21

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-2025-3531 - Proof of Concept

References

https://vuldb.com/?id.304569
vdb-entrytechnical-description
https://vuldb.com/?ctiid.304569
signaturepermissions-required
https://vuldb.com/?submit.543080
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
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

zonesec (VulDB User)
.