CVE-2025-6594

published 2026-02-02

CVE-2025-6594: Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability…

Priority P4 22 medium 4.7 CVSS 3.1

AV N AC L PR N UI R S C C L I N A N

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files resources/src/mediawiki.Special.Apisandbox/ApiSandbox.Js.

This issue affects MediaWiki: from 1.27.0 before 1.39.13, 1.42.7 1.43.2, 1.44.0.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
debian	mediawiki	< mediawiki 1:1.39.13-1~deb12u1 (bookworm)	mediawiki 1:1.39.13-1~deb12u1 (bookworm)
mediawiki	mediawiki	>= 0 < 1:1.35.13-1+deb11u4	1:1.35.13-1+deb11u4
mediawiki	mediawiki	>= 0 < 1:1.39.13-1~deb12u1	1:1.39.13-1~deb12u1
mediawiki	mediawiki	>= 0 < 1:1.43.3+dfsg-1	1:1.43.3+dfsg-1
mediawiki	mediawiki	>= 0 < 1:1.43.3+dfsg-1	1:1.43.3+dfsg-1
wikimedia_foundation	mediawiki	>= 1.27.0 < 1.39.13, 1.42.7 1.43.2, 1.44.0	1.39.13, 1.42.7 1.43.2, 1.44.0

CVSS provenance

nvd v3.1 4.7 MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N

nvd v4.0 0.0 NONE CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/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:X/R:X/V:X/RE:X/U:X

vendor_redhat 8.1 NONE

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.

CWE-79