CVE-2025-62654

LOW

MediaWiki QuizGame extension 1.39, 1.43, 1.44 - Stored Cross-Site Scripting

Title source: llm

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.

References (1)

Core 1

Core References

Issue Tracking

https://phabricator.wikimedia.org/T403924

Scores

CVSS v4 2.0

EPSS 0.0028

EPSS Percentile 19.9%

CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:N/R:U/V:C/RE:M/U:Amber

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (3)

The Wikimedia Foundation/MediaWiki QuizGame extension 1.39

The Wikimedia Foundation/MediaWiki QuizGame extension 1.43

The Wikimedia Foundation/MediaWiki QuizGame extension 1.44

Published Oct 17, 2025

Tracked Since Feb 18, 2026