UpHeron
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Servers and applications

CVE-2020-10960

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…

Severity
Medium 5.3
Published
3 Apr 2020
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
1.34.1
Sources
NVD

Affected software

SoftwareAffected versions
MediaWikiServers and applications · cpe:a:mediawiki:mediawiki
  • Every version before 1.34.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-10960
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-10960