Cross-Site Scripting Vulnerability in MediaWiki QuizGame Extension from Wikimedia Foundation
CVE-2025-62654

2LOW

Key Information:

Vendor

The Wikimedia Foundation

Status
Mediawiki Quizgame Extension
Vendor
CVE Published:
17 October 2025

What is CVE-2025-62654?

A Cross-Site Scripting (XSS) vulnerability exists in the MediaWiki QuizGame extension developed by the Wikimedia Foundation, allowing attackers to inject malicious scripts. This exploitation can lead to unauthorized actions on behalf of users, compromising their data and security. Affected versions include 1.39, 1.43, and 1.44. It is crucial for users and administrators to update to patched versions to secure their installations against potential threats.

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Affected Version(s)

MediaWiki QuizGame extension 1.39

MediaWiki QuizGame extension 1.43

MediaWiki QuizGame extension 1.44

References

https://phabricator.wikimedia.org/T403924

CVSS V4

Score:
2
Severity:
LOW
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

SomeRandomDeveloper
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