CVE-2025-62652

mediumpriority · track · 0EPSS 0.004 · 32 %ileDEEU

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.39% (32nd) EPSS

CVSS 5.8 · medium

Is it mine?

31 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · cert_bund

EPSS · scored 2026-10-27

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation MediaWiki WebAuthn extension allows Stored XSS.This issue affects MediaWiki WebAuthn extension: 1.39, 1.43, 1.44.

cvss

Technical severity, 0–10. One row per scoring source.

5.9

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2–5.9

v4.05.8mediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/AU:N/R:U/V:C/RE:L/U:Ambersecondary · ENISA EU

v4.05.9mediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:L/VI:H/VA:H/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:X/AU:N/R:U/V:C/RE:L/U:Ambersecondary

v4.02lowCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/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:N/R:U/V:C/RE:L/U:Ambersecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79US

affected products (31)

Products and version ranges known to be affected.

Open Source MediaWiki <1.39.14all versionscert_bundDE
Open Source MediaWiki <1.43.4all versionscert_bundDE
Open Source MediaWiki <1.44.1all versionscert_bundDE
Open Source MediaWiki AdvancedSearch Extension <1.39all versionscert_bundDE
Open Source MediaWiki Cargo extensionall versionscert_bundDEcpe:/a:mediawiki:mediawiki:cargo_extension
Open Source MediaWiki CentralAuth Extension <1.39all versionscert_bundDE
Open Source MediaWiki CirrusSearch Extension <1.43all versionscert_bundDE
Open Source MediaWiki Citizen <3.9.0all versionscert_bundDE
Open Source MediaWiki FlexDiagrams Extensionall versionscert_bundDEcpe:/a:mediawiki:mediawiki:flexdiagrams_extension
Open Source MediaWiki GrowthExperiments Extension <1.39all versionscert_bundDE
Open Source MediaWiki ImageRating Extension <1.39all versionscert_bundDE
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 Skin:BlueSky Extension <1.39all versionscert_bundDE
Open Source MediaWiki UploadWizard Extension <1.39all versionscert_bundDE
Open Source MediaWiki WebAuthn extensionall versionscert_bundDEcpe:/a:mediawiki:mediawiki:webauthn_extension
Open Source MediaWiki≤ CirrusSearch Extension <1.43cert_bundDE
Open Source MediaWiki≤ Citizen <3.9.0cert_bundDE
Open Source MediaWiki≤ ImageRating Extension <1.39cert_bundDE

showing 20 of 31

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.

cnnvd enisa_euvd cert_bund NVD CVE.org MITRE

published 2025-10-17modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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