Cross Site Scripting Vulnerability in YouDianCMS by YouDian
CVE-2025-3533

5.3MEDIUM

Key Information:

Vendor

YouDian

Status
Youdiancms
Vendor
CVE Published:
13 April 2025

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2025-3533?

A cross site scripting (XSS) vulnerability has been identified in YouDianCMS version 9.5.21, specifically involving the processing of the file /App/Tpl/Admin/Default/Channel/index.html. Attackers can manipulate the Parent argument to initiate the attack remotely. The exploit has been made public, raising concerns about potential misuse. Despite early notification, there has been no response from YouDian regarding this vulnerability, highlighting the importance of immediate mitigation strategies for users.

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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-2025-3533 - Proof of Concept

References

https://vuldb.com/?id.304571
vdb-entrytechnical-description
https://vuldb.com/?ctiid.304571
signaturepermissions-required
https://vuldb.com/?submit.543083
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

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

zonesec (VulDB User)
JSON
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