CVE-2025-61638

Sanitizer::validateAttributes data-XSS

Published: Feb 2, 2026Updated: Feb 3, 2026 Sources: CVE List NVD BDUCWE-79

4.8MEDIUM

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAccess Vector

Network

AC:LAccess Complexity

Low

Impact

C:LConfidentiality

I:LIntegrity

A:NAvailability

None

Open in CVSS calculator →

Weaknesses

CWE-79

Affected Products

Сообщество свободного программного обеспечения

oss-projectaka fsf

Debian GNU/LinuxOn-premOS

Operating Systems / linux-distro

MediaWikiOn-premWeb App

Web & CMS Plugins / cms-core

ParsoidOn-premWeb App

Web & CMS Plugins / cms-core

Wikimedia Foundation

oss-project·USaka wikimedia

MediaWikiOn-premCMS Plugin

Web & CMS Plugins / cms-core

ParsoidOn-premWeb App

Web & CMS Plugins / wordpress-plugin

ООО «Ред Софт»

commercial·RUaka red soft

РЕД ОСOn-premOS

Operating Systems / linux-distro

Exploitability

Official Patch Available

Is your org exposed to CVE-2025-61638?Request an assessment to establish which checks are appropriate for your systems. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques

Execution

Initial Access

View detailed technique mapping

References

https://phabricator.wikimedia.org/T401099

phabricator.wikimedia.org

https://nvd.nist.gov/vuln/detail/CVE-2025-61638

nvd.nist.gov

https://phabricator.wikimedia.org/T401099

phabricator.wikimedia.org

and 2 more references View all →

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2025-61638 and every CVE in our database. Create a free account — no credit card required.

Create Free Account

Plain-language analysis

Impact assessment and exploitation scenario in plain English

Attack graph visualization

Interactive attack path and kill chain mapping

Exploit details & PoC links

ExploitDB, Metasploit, GitHub PoCs with direct links

Nuclei scanner templates

Ready-to-use vulnerability scanner templates

Full remediation guide

Patch instructions, workarounds, and compliance impact

Interactive AI chat

Ask questions about this vulnerability in natural language

Related vulnerabilities

Semantically similar CVEs and attack patterns

REST API & MCP access

Integrate vulnerability data into your workflows