CVE-2025-62667
mediumpriority · track · 0EPSS 0.004 · 39 %ileDEEUEPSS · scored 2026-10-27
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation Mediawiki - GrowthExperiments Extension allows Stored XSS.This issue affects Mediawiki - GrowthExperiments Extension: from master before 1.39.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.7–6.9
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (29)
Products and version ranges known to be affected.
- Open Source MediaWiki Cargo extensionall versionscert_bundDEcpe:/a:mediawiki:mediawiki:cargo_extension
- Open Source MediaWiki FlexDiagrams Extensionall versionscert_bundDEcpe:/a:mediawiki:mediawiki:flexdiagrams_extension
- Open Source MediaWiki PollNY extensionall versionscert_bundDEcpe:/a:mediawiki:mediawiki:pollny_extension
- Open Source MediaWiki QuizGame extensionall versionscert_bundDEcpe:/a:mediawiki:mediawiki:quizgame_extension
- Open Source MediaWiki SecurePoll Extensionall versionscert_bundDEcpe:/a:mediawiki:mediawiki:securepoll_extension
- Open Source MediaWiki WebAuthn extensionall versionscert_bundDEcpe:/a:mediawiki:mediawiki:webauthn_extension
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-2336MediaWiki Extensions: Mehrere SchwachstellenDeutsch2025-10-19csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in MediaWiki ausnutzen, um Cross-Site-Scripting-Angriffe durchzuführen, Daten zu manipulieren, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand zu verursachen.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2025-62667cnnvd
- https://gerrit.wikimedia.org/r/q/Iafd0acccf9a5c20d9e955d7bc3de1304968401eccnnvd
- https://phabricator.wikimedia.org/T402698cnnvd
- https://gerrit.wikimedia.org/r/q/Iafd0acccf9a5c20d9e955d7bc3de1304968401ecenisa_euvd
- https://phabricator.wikimedia.org/T402698enisa_euvd
- https://gerrit.wikimedia.org/r/q/Iafd0acccf9a5c20d9e955d7bc3de1304968401ecnvd
- https://phabricator.wikimedia.org/T402698nvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan