Rapid7 Vulnerability & Exploit Database

MediaWiki: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (CVE-2020-35474)

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MediaWiki: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (CVE-2020-35474)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
12/18/2020
Created
12/22/2020
Added
12/21/2020
Modified
12/29/2020

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.

Solution(s)

  • mediawiki-upgrade-1_35_1

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