Rapid7 Vulnerability & Exploit Database

MediaWiki: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (CVE-2021-42048)

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MediaWiki: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (CVE-2021-42048)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
09/29/2022
Created
10/03/2022
Added
10/03/2022
Modified
10/03/2022

Description

An issue was discovered in the Growth extension in MediaWiki through 1.36.2. Any admin can add arbitrary JavaScript code to the Newcomer home page footer, which can be executed by viewers with zero edits.

Solution(s)

  • mediawiki-upgrade-latest

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