CVE-2025-61638

mediumpriority · track · 29EPSS 0.003 · 19 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

0.27% (19th) EPSS

CVSS 4.8 · medium

Is it mine?

34 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation Parsoid. This vulnerability is associated with program files includes/parser/Sanitizer.Php, src/Core/Sanitizer.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1; Parsoid: from * before 0.16.6, 0.20.4, 0.21.1.

cvss

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

4.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · none–medium · 0–4.8

v3.14.8mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 1.7 · impact 2.7

v3.14.8mediumAV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:Nsecondary · FSTEC (BDU) RU

v4.00noneCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:N/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:X/R:X/V:X/RE:X/U:Xsecondary

v4.00noneCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/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.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USCWE-79US

exploits (1)

Public proof-of-concept and weaponised exploit code.

gui-ying233/CVE-2025-61638CVE-2025-61638 PoCPoC · poc_in_github

affected products (34)

Products and version ranges known to be affected.

Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Open Source MediaWiki <1.39.14all versionscert_bundDE
Open Source MediaWiki <1.39.15all versionscert_bundDE
Open Source MediaWiki <1.43.4all versionscert_bundDE
Open Source MediaWiki <1.43.5all versionscert_bundDE
Open Source MediaWiki <1.44.1all versionscert_bundDE
Open Source MediaWiki <1.44.2all versionscert_bundDE
Open Source MediaWiki< 1.39.14cert_bundDE
Open Source MediaWiki< 1.39.15cert_bundDE
Open Source MediaWiki< 1.43.4cert_bundDE
Open Source MediaWiki< 1.43.5cert_bundDE
Open Source MediaWiki< 1.44.1cert_bundDE
Open Source MediaWiki< 1.44.2cert_bundDE
Wikimedia Foundation Parsoid* → 0.16.6, 0.20.4, 0.21.1enisa_euvdEU
Wikimedia Foundation mediawiki* → 1.39.14, 1.43.4, 1.44.1enisa_euvdEU
АО «НППКТ» ОСОН ОСнова Оnyx≤ 2.15fstec_bduRU
ООО «Ред Софт» РЕД ОС≤ 8.0fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 13fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 12fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 11fstec_bduRU

showing 20 of 34

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-2198MediaWiki: Mehrere SchwachstellenDeutsch2025-10-05csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in MediaWiki ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen, möglicherweise um Cross-Site-Scripting durchzuführen, vertrauliche Informationen offenzulegen oder die Authentifizierung zu umgehen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund NVD CVE.org MITRE

published 2026-02-03modified 2026-09-22

references (3)

External citations — patches, advisories, analysis.

scry

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