Cross-site Scripting Vulnerability in Wikimedia VisualEditor
CVE-2025-61655

NONE

Key Information:

Vendor

Wikimedia Foundation

Status
Visualeditor
Vendor
CVE Published:
3 February 2026

What is CVE-2025-61655?

An improper neutralization of input during the web page generation in Wikimedia Foundation's VisualEditor allows attackers to exploit Cross-site Scripting (XSS) vulnerabilities. This issue is found in specific program files and affects several versions, including all prior to 1.39.14 as well as versions 1.43.4 and 1.44.1. Exploiting this vulnerability can lead to the execution of malicious scripts in the context of a user's browser, potentially compromising user data and privacy.

Affected Version(s)

VisualEditor * < 1.39.14, 1.43.4, 1.44.1

References

https://phabricator.wikimedia.org/T395858

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

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