CVE-2025-62697

highpriority · track · 0EPSS 0.003 · 28 %ileDEEU

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.35% (28th) EPSS

CVSS 8.8 · high

Is it mine?

17 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · cert_bund

EPSS · scored 2026-10-27

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability in The Wikimedia Foundation Mediawiki - LanguageSelector Extension allows Code Injection.This issue affects Mediawiki - LanguageSelector Extension: from master before 1.39.

cvss

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

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.8–8.8

v4.08.8highCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:L/SI:L/SA:Lsecondary · ENISA EU

v4.08.8highCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/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:Xsecondary

v4.06.8mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:L/SI:L/SA:L/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:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)

ssvc

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

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-74US

affected products (17)

Products and version ranges known to be affected.

Open Source MediaWiki CheckUser Extension <1.39all versionscert_bundDE
Open Source MediaWiki ExternalGuidance Extension <1.39all versionscert_bundDE
Open Source MediaWiki GlobalBlocking Extensionall versionscert_bundDEcpe:/a:mediawiki:mediawiki:globalblocking_extension
Open Source MediaWiki LanguageSelector Extension <1.39all versionscert_bundDE
Open Source MediaWiki LastModified Extension <1.39all versionscert_bundDE
Open Source MediaWiki MultiBoilerplate Extension <1.39all versionscert_bundDE
Open Source MediaWiki PageForms Extensionall versionscert_bundDEcpe:/a:mediawiki:mediawiki:pageforms_extension
Open Source MediaWiki Springboard Extensionall versionscert_bundDEcpe:/a:mediawiki:mediawiki:springboard_extension
Open Source MediaWiki WatchAnalytics Extensionall versionscert_bundDEcpe:/a:mediawiki:mediawiki:watchanalytics_extension
Open Source MediaWiki WikiLambda Extensionall versionscert_bundDEcpe:/a:mediawiki:mediawiki:wikilambda_extension
Open Source MediaWiki WikiLove Extension 1.39all versionscert_bundDEcpe:/a:mediawiki:mediawiki:wikilove_extension_1.39
Open Source MediaWiki≤ CheckUser Extension <1.39cert_bundDE
Open Source MediaWiki≤ ExternalGuidance Extension <1.39cert_bundDE
Open Source MediaWiki≤ LanguageSelector Extension <1.39cert_bundDE
Open Source MediaWiki≤ LastModified Extension <1.39cert_bundDE
Open Source MediaWiki≤ MultiBoilerplate Extension <1.39cert_bundDE
The Wikimedia Foundation Mediawiki - LanguageSelector Extensionmaster → 1.39enisa_euvdEU

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-2341MediaWiki Extensions: Mehrere Schwachstellen ermöglichen CodeausführungDeutsch2025-10-20csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in MediaWiki ausnutzen, um beliebigen Code oder SQL-Befehle auszuführen, Cross-Site-Scripting-Angriffe durchzuführen und vertrauliche Informationen offenzulegen.

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 2025-10-20modified 2026-06-17

references (7)

External citations — patches, advisories, analysis.

scry

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