Cross-site Scripting Vulnerability in Wikimedia MediaWiki Software
CVE-2025-61637

NONE

Key Information:

Vendor

Wikimedia Foundation

Status
Mediawiki
Vendor
CVE Published:
2 February 2026

What is CVE-2025-61637?

A Cross-site Scripting (XSS) vulnerability exists in Wikimedia Foundation's MediaWiki software, allowing attackers to inject malicious scripts into web pages. This can occur due to improper handling of input during web page generation, particularly affecting the preview functionality within the MediaWiki platform. The vulnerability impacts specific versions of MediaWiki prior to 1.39.14, as well as versions 1.43.4 and 1.44.1, potentially leading to unauthorized access and user data exposure.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

Affected Version(s)

MediaWiki * < 1.39.14, 1.43.4, 1.44.1

References

https://phabricator.wikimedia.org/T394856

CVSS V4

Score:
Severity:
NONE
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
.