CVE-2025-62508

mediumPriorität · verfolgen · 0EPSS 0.004 · 39. PerzentilDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.45% (39th) EPSS

CVSS 6.5 · medium

Is it mine?

30 products

Prüfe deine Angriffsfläche

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · osv

EPSS · bewertet 2026-10-27

Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. Citizen from 3.3.0 to 3.9.0 are vulnerable to stored cross-site scripting in the sticky header button message handling. In stickyHeader.js the copyButtonAttributes function assigns innerHTML from a source element’s textContent when copying button labels. This causes escaped HTML in system message content (such as citizen-share, citizen-view-history, citizen-view-edit, and nstab-talk) to be interpreted as HTML in the sticky header, allowing injection of arbitrary script by a user with the ability to edit interface messages. The vulnerability allows a user with the editinterface right but without the editsitejs right (by default the sysop group has editinterface but may not have editsitejs) to execute arbitrary JavaScript in other users’ sessions, enabling unauthorized access to sensitive data or actions. The issue is fixed in 3.9.0.

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

6.5

010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Nsecondary · ENISA EU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Nsecondary · security-advisories@github.comAusnutzbarkeit 1.2 · Auswirkung 5.2

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Nsecondary · OSV

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

SSVC

Eine Handlungsentscheidung — aus Ausnutzung und Auswirkung.

Exploitation: poc · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-79USCWE-79US

betroffene Produkte (30)

Betroffene Produkte und Versionsbereiche.

Open Source MediaWiki <1.39.14alle Versionencert_bundDE
Open Source MediaWiki <1.43.4alle Versionencert_bundDE
Open Source MediaWiki <1.44.1alle Versionencert_bundDE
Open Source MediaWiki AdvancedSearch Extension <1.39alle Versionencert_bundDE
Open Source MediaWiki Cargo extensionalle Versionencert_bundDEcpe:/a:mediawiki:mediawiki:cargo_extension
Open Source MediaWiki CentralAuth Extension <1.39alle Versionencert_bundDE
Open Source MediaWiki CirrusSearch Extension <1.43alle Versionencert_bundDE
Open Source MediaWiki Citizen <3.9.0alle Versionencert_bundDE
Open Source MediaWiki FlexDiagrams Extensionalle Versionencert_bundDEcpe:/a:mediawiki:mediawiki:flexdiagrams_extension
Open Source MediaWiki GrowthExperiments Extension <1.39alle Versionencert_bundDE
Open Source MediaWiki ImageRating Extension <1.39alle Versionencert_bundDE
Open Source MediaWiki PollNY extensionalle Versionencert_bundDEcpe:/a:mediawiki:mediawiki:pollny_extension
Open Source MediaWiki QuizGame extensionalle Versionencert_bundDEcpe:/a:mediawiki:mediawiki:quizgame_extension
Open Source MediaWiki SecurePoll Extensionalle Versionencert_bundDEcpe:/a:mediawiki:mediawiki:securepoll_extension
Open Source MediaWiki Skin:BlueSky Extension <1.39alle Versionencert_bundDE
Open Source MediaWiki UploadWizard Extension <1.39alle Versionencert_bundDE
Open Source MediaWiki WebAuthn extensionalle Versionencert_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

20 von 30 angezeigt

Advisories (2)

Hersteller- und Ökosystem-Meldungen dazu.

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.
GHSA-g955-vw6w-v6ppCitizen vulnerable to stored XSS in sticky header button messages2025-10-20ghsa · osvUS
### Summary The JS implementation for copying button labels to the sticky header in the Citizen skin unescapes HTML characters, allowing for stored XSS through system messages. ### Details In the `copyButtonAttributes` function in `stickyHeader.js`, when copying the button labels, the `innerHTML` of the new element is set to the `textContent` of the old element: https://github.com/StarCitizenTools/mediawiki-skins-Citizen/blob/f4cbcecf5aca0ae69966b23d4983f9cb5033f319/resources/skins.citizen.scripts/stickyHeader.js#L29-L41 This unescapes any escaped HTML characters and causes the contents of the system messages to be interpreted as HTML. ### PoC 1. Edit any of the affected messages (`citizen-share`, `citizen-view-history`, `citizen-view-edit`, `nstab-talk`) to the following payload: `<img src="" onerror="alert('Sticky Header Button XSS')">`. 2. Visit any mainpage article in the wiki using the Citizen skin. <img width="495" height="228" alt="image" src="https://github.com/user-attachments/assets/ac75b8e1-b181-4335-9526-17d6b6f8518e" /> <img width="569" height="157" alt="image" src="https://github.com/user-attachments/assets/c052edb9-ff68-4869-9c66-3ec85e7ff68a" /> ### Impact This impacts wikis where a group has the `editinterface` but not the `editsitejs` user right. By default, this is the case for the `sysop` group.

auch bekannt als (3)

Weitere Namen und Kennungen dieser Entität.

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvd enisa_euvd cert_bund osv NVD CVE.org MITRE

veröffentlicht 2025-10-17geändert 2026-06-17

Referenzen (10)

Externe Belege — Patches, Meldungen, Analysen.

scry

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