CVE-2024-34500

mediumpriority · track · 0EPSS 0.005 · 41 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.47% (41st) EPSS

CVSS 5.3 · medium

Is it mine?

11 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-28

An issue was discovered in the UnlinkedWikibase extension in MediaWiki before 1.39.6, 1.40.x before 1.40.2, and 1.41.x before 1.41.1. XSS can occur through an interface message. Error messages (in the $err var) are not escaped before being passed to Html::rawElement() in the getError() function in the Hooks class.

cvss

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

6.1

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.3mediumAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · ENISA EU

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondaryexploitability 2.8 · impact 2.7

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · OSV

v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · 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-79USCWE-79USCWE-79US

affected products (11)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
ООО «Ред Софт» РЕД ОС≤ 7.3fstec_bduRU
Сообщество свободного программного обеспечения MediaWiki≤ 1.39.6fstec_bduRU
Сообщество свободного программного обеспечения MediaWiki1.40.0 → 1.40.2fstec_bduRU
Сообщество свободного программного обеспечения MediaWiki1.41.0 → 1.41.1fstec_bduRU
fedoraproject fedora= 40nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
mediawiki mediawiki< 1.39.6nvdUScpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
mediawiki mediawiki1.40.0 → 1.40.2nvdUScpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
mediawiki mediawiki1.41.0 → 1.41.1nvdUScpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
Bitnami mediawiki< 1.41.1osvUSpkg:bitnami/mediawiki
Packagist samwilson/unlinked-wikibase< 1.42.0osvUSpkg:composer/samwilson/unlinked-wikibase

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-1022MediaWiki: Mehrere SchwachstellenDeutsch2024-05-05csaf · cert_bundDE
Ein entfernter Angreifer kann mehrere Schwachstellen in MediaWiki ausnutzen, um einen Cross-Site-Scripting-Angriff zu starten, einen Denial-of-Service-Zustand zu verursachen oder Dateien zu manipulieren.
GHSA-wcx3-63mm-h8x6MediaWiki UnlinkedWikibase Cross-site Scripting vulnerability2024-05-05ghsa · osvUS
An issue was discovered in the UnlinkedWikibase extension in MediaWiki before 1.42.0. XSS can occur through an interface message. Error messages (in the $err var) are not escaped before being passed to Html::rawElement() in the getError() function in the Hooks class.
BIT-mediawiki-2024-345002025-06-12vendor · osvUS
An issue was discovered in the UnlinkedWikibase extension in MediaWiki before 1.39.6, 1.40.x before 1.40.2, and 1.41.x before 1.41.1. XSS can occur through an interface message. Error messages (in the $err var) are not escaped before being passed to Html::rawElement() in the getError() function in the Hooks class.

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu osv nvd cert_bund NVD CVE.org MITRE

published 2024-05-05modified 2026-06-17

references (11)

External citations — patches, advisories, analysis.

scry

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