CVE-2025-62654 LOW

CVE-2025-62654: Stored XSS through system messages in QuizGame

Vendor The Wikimedia Foundation
Product MediaWiki QuizGame extension
Weakness CWE-79 · XSS
Published October 17, 2025
Last update October 20, 2025
View on NVD All CVEs

CVSS base score

2.0/10
Attack vector Network
Attack complexity High
Privileges required High
User interaction —
Confidentiality —
Integrity —

CVSS vector

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/S:N/AU:N/R:U/V:C/RE:M/U:Amber

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

October 17, 2025 CVE published
October 20, 2025 Record updated