Cross Site Scripting Vulnerability in YiFang CMS by YiFang Technologies
CVE-2026-2934

4.8MEDIUM

Key Information:

Vendor

Yifang

Status
Cms
Vendor
CVE Published:
22 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-2934?

A security issue in the YiFang CMS up to version 2.0.5 has been identified, specifically within the Extended Management Module's D_friendLinkGroup.php file. This vulnerability enables attackers to conduct cross site scripting (XSS) attacks by manipulating the 'Name' argument during an update function. As a result, it allows unauthorized scripts to be executed on the client side, posing a significant risk of data theft and user session hijacking. The exploit has been made publicly available, increasing the urgency for remediation.

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Affected Version(s)

CMS 2.0.0

CMS 2.0.1

CMS 2.0.2

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-2026-2934 - Proof of Concept

References

https://vuldb.com/?id.347280
vdb-entrytechnical-description
https://vuldb.com/?ctiid.347280
signaturepermissions-required
https://vuldb.com/?submit.755296
third-party-advisory

CVSS V4

Score:
4.8
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

ZZCTD (VulDB User)
JSON
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