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CVE-2025-62698

Medium

Description

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

SeverityMedium
CVSS6.9
Exploit probability—
ProductMediawiki - ExternalGuidance
PublishedOct 20, 2025
First seenOct 20, 2025
Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update
  • The Wikimedia Foundation Mediawiki - ExternalGuidance1.39 or later

Affected products

ProductAffected versionsFixed in
The Wikimedia Foundation Mediawiki - ExternalGuidancemaster ≤ v < 1.391.39

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