BaseFortify

Publication date: 2025-10-17

Last updated on: 2025-10-21

Assigner: wikimedia-foundation

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation MediaWiki QuizGame extension allows Stored XSS.This issue affects MediaWiki QuizGame extension: 1.39, 1.43, 1.44.

CVSS Scores

EPSS Scores

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Meta Information

Published

2025-10-17

Last Modified

2025-10-21

Generated

2026-07-06

AI Q&A

2025-10-18

EPSS Evaluated

2026-07-05

NVD

CVE-2025-62654

Affected Vendors & Products

Vendor	Product	Version / Range
the_wikimedia_foundation	mediawiki_quizgame_extension	1.44
the_wikimedia_foundation	mediawiki_quizgame_extension	1.39
the_wikimedia_foundation	mediawiki_quizgame_extension	1.43

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-79	The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

Executive Summary

This vulnerability is a Stored Cross-site Scripting (XSS) issue in the MediaWiki QuizGame extension. It occurs because the extension improperly neutralizes input during web page generation, allowing malicious scripts to be stored and executed when users view the affected pages.

Impact Analysis

An attacker could exploit this vulnerability to execute malicious scripts in the context of users viewing the affected MediaWiki QuizGame pages. This could lead to unauthorized actions, theft of user credentials, or other malicious activities impacting users and the integrity of the site.

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