Cross-Site Scripting Vulnerability in xnx3 Wangmarket Affects Remote Execution
CVE-2025-15416

4.8MEDIUM

Key Information:

Vendor

Xnx3

Status
Wangmarket
Vendor
CVE Published:
1 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-15416?

A Cross-Site Scripting vulnerability exists in the xnx3 Wangmarket platform, specifically affecting the Add Global Variable Handler within the /siteVar/save.do file. This vulnerability allows remote attackers to inject malicious scripts by manipulating the 'Remark' or 'Variable Value' parameters. The exploitation can occur without user authentication, making the platform highly susceptible to XSS attacks. Despite early disclosures to the vendor, no response has been received, raising concerns over the security and responsiveness of the affected product.

Affected Version(s)

wangmarket 6.0

wangmarket 6.1

wangmarket 6.2

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-2025-15416 - Proof of Concept

References

https://vuldb.com/?id.339337
vdb-entrytechnical-description
https://vuldb.com/?ctiid.339337
signaturepermissions-required
https://vuldb.com/?submit.721080
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

yuccun (VulDB User)
JSON
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CVE-2025-15416 : Cross-Site Scripting Vulnerability in xnx3 Wangmarket Affects Remote Execution