Description

In MediaWiki before 1.35.1, the combination of Html::rawElement and Message::text leads to XSS because the definition of MediaWiki:recentchanges-legend-watchlistexpiry can be changed onwiki so that the output is raw HTML.

Remediation

References

CVE-2020-35474

Related Vulnerabilities

SharePoint CVE-2020-1295 Vulnerability (CVE-2020-1295)

Jenkins Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') Vulnerability (CVE-2015-1807)

phpList Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2012-2741)

IBM RTC CVE-2020-4964 Vulnerability (CVE-2020-4964)

ownCloud Improper Authentication Vulnerability (CVE-2014-9043)

Severity

Medium

Classification

CVE-2020-35474 CWE-707 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Tags

Missing Update Known Vulnerabilities