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CVE-2020-10960

Published: 3 April 2020

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).

Priority

Medium

Cvss 3 Severity Score

5.3

Score breakdown

Status

Package Release Status
mediawiki
Launchpad, Ubuntu, Debian
bionic Needs triage

eoan Ignored
(end of life)
focal Not vulnerable
(1:1.31.7-1)
groovy Not vulnerable
(1:1.31.7-1)
hirsute Not vulnerable
(1:1.31.7-1)
impish Not vulnerable
(1:1.31.7-1)
jammy Not vulnerable
(1:1.31.7-1)
kinetic Not vulnerable
(1:1.31.7-1)
lunar Not vulnerable
(1:1.31.7-1)
mantic Not vulnerable
(1:1.31.7-1)
noble Not vulnerable
(1:1.31.7-1)
trusty Does not exist

upstream
Released (1:1.31.7-1)
xenial Does not exist

Severity score breakdown

Parameter Value
Base score 5.3
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N