MediaWiki: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (CVE-2023-22911)

MediaWiki: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (CVE-2023-22911)

Severity

6

CVSS

(AV:N/AC:M/Au:N/C:P/I:P/A:N)

Published

01/10/2023

Created

01/17/2023

Added

01/16/2023

Modified

01/28/2025

Description

An issue was discovered in MediaWiki before 1.35.9, 1.36.x through 1.38.x before 1.38.5, and 1.39.x before 1.39.1. E-Widgets does widget replacement in HTML attributes, which can lead to XSS, because widget authors often do not expect that their widget is executed in an HTML attribute context.

Solution(s)

• mediawiki-upgrade-1_35_9
• mediawiki-upgrade-1_38_5

References

• https://attackerkb.com/topics/cve-2023-22911
• CVE - 2023-22911
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AP65YEN762IBNQPOYGUVLTQIDLM5XD2A/
• https://phabricator.wikimedia.org/T149488