CVE-2025-62654

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.

VectorNETWORK

Published Byc4f26cc8-17ff-4c99-b5e2-38fc1793eacc

Published DateOct 17, 2025, 23:15

Weakness Type (CWE):CWE-79

CVSS Metrics

Base Score

Vector String

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

Base Severity

LOW

Version

4.0

Attack Vector (AV)

NETWORK

Attack Complexity (AC)

HIGH

Privileges Required (PR)

HIGH

User Interaction (UI)

PASSIVE

Scope (S)

Confidentiality (C)

Integrity (I)

Availability (A)

References

https://phabricator.wikimedia.org/T403924

Base Score

LOW2

Weakness Type (CWE):CWE-79

CVSS Metrics

Base Score

Vector String

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

Base Severity

LOW

Version

4.0

Attack Vector (AV)

NETWORK

Attack Complexity (AC)

HIGH

Privileges Required (PR)

HIGH

User Interaction (UI)

PASSIVE

Scope (S)

Confidentiality (C)

Integrity (I)

Availability (A)