CVE-2025-61638

NONE EPSS 14.1%

Published Feb 3, 20264mo ago · Modified Jun 17, 20261w ago

0.0 CVSS 4.0

Low

Published Feb 3, 2026 4mo ago

Last Modified Jun 17, 2026 1w ago

Description

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 Details

Base Score

0.0

Exploitability

—

Impact

—

Vector string

CVSS: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:X

Attack Vector Network

Attack Complexity Low

Privileges Required Low

User Interaction P

Scope X

Threat Intelligence

EPSS Exploit Probability

14.1% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 6

Vendor	Product	Version	Range
mediawiki	mediawiki	*	<1.39.14
mediawiki	mediawiki	*	≥1.39.15 – <1.43.4
mediawiki	mediawiki	*	≥1.43.5 – <1.44.1
wikimedia	parsoid	*	<0.16.6
wikimedia	parsoid	*	>0.16.6 – <0.20.4
wikimedia	parsoid	*	>0.20.4 – <0.21.1

References 1

phabricator.wikimedia.org https://phabricator.wikimedia.org/T401099

Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.