CVE-2025-62662

MEDIUM

Mediawiki - AdvancedSearch Extension <1.39 - XSS

Title source: llm

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation Mediawiki - AdvancedSearch Extension allows Stored XSS.This issue affects Mediawiki - AdvancedSearch Extension: from master before 1.39.

References (2)

Core 2

Core References

Issue Tracking

https://phabricator.wikimedia.org/T402146

Various Sources

https://gerrit.wikimedia.org/r/q/I91bba2b570643ef74e6c210e7250e05cd2aa388e

Scores

CVSS v4 6.9

EPSS 0.0041

EPSS Percentile 32.8%

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/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:X/AU:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (1)

The Wikimedia Foundation/Mediawiki - AdvancedSearch Extension master - 1.39

Published Oct 18, 2025

Tracked Since Feb 18, 2026