CVE-2020-10960

mediawiki: makeCollapsible allows applying event handler to any CSS selector

Published Apr 3, 2020 CVSS 3.1 · 5.3 Medium EPSS 1.2% KEV · Not listed
Description
In MediaWiki before 1.34.1, users can add various Cascading Style Sheets (CSS) classes (which can affect what content is shown or hidden in the user interface) to arbitrary DOM nodes via HTML content within a MediaWiki page. This occurs because jquery.makeCollapsible allows applying an event handler to any Cascading Style Sheets (CSS) selector. There is no known way to exploit this for cross-site scripting (XSS).

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-4651-1 mediawiki security update
EUVD EUVD EUVD-2022-4752 In MediaWiki before 1.34.1, users can add various Cascading Style Sheets (CSS) classes (which can affect what content is shown or hidden in the user interface) to arbitrary DOM nodes via HTML content within a MediaWiki page. This occurs because jquery.makeCollapsible allows applying an event handler to any Cascading Style Sheets (CSS) selector. There is no known way to exploit this for cross-site scripting (XSS).
Github GHSA Github GHSA GHSA-pfm2-mqwj-ggm5 MediaWiki makeCollapsible allows applying event handler to any CSS selector
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 4, 2024, 11:21 AM
Reserved
Mar 25, 2020, 12:00 AM
Status
Modified
Published
Apr 3, 2020, 3:15 PM
Modified
Jun 17, 2026, 2:48 AM
Severity
Moderate
Public date
Mar 2, 2020, 12:00 AM