Cross-Site Scripting Vulnerability in Wikimedia Foundation MediaWiki WebAuthn Extension
CVE-2025-62652

5.8MEDIUM

What is CVE-2025-62652?

The Wikimedia Foundation's MediaWiki WebAuthn extension is vulnerable to a stored Cross-Site Scripting (XSS) attack due to improper input neutralization during web page generation. This vulnerability could allow an attacker to inject malicious scripts that may be executed in the context of a user’s session, potentially compromising sensitive user data and the integrity of the web application. The issue affects specific versions of the extension: 1.39, 1.43, and 1.44. Ensuring updates to the latest version can help mitigate this security risk.

Affected Version(s)

MediaWiki WebAuthn extension 1.39

MediaWiki WebAuthn extension 1.43

MediaWiki WebAuthn extension 1.44

References

CVSS V4

Score:
5.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Roan Kattouw
.