Bug 2074123 (CVE-2022-28202)

Summary:	CVE-2022-28202 mediawiki: xss due to incorrect escaping
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	askrabec, axel.thimm, bmontgom, eparis, jburrell, jokerman, mike, nstielau, orion, rtillery, shurley, sponnaga, vkumar
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	mediawiki 1.35.6, mediawiki 1.36.4, mediawiki 1.37.2	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in MediaWiki. The widthheight, widthheightpage, and nbytes properties of messages are not escaped when used in galleries or Special:RevisionDelete.	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2075227, 2075228
Bug Blocks:	2074124

Description Marian Rehak 2022-04-11 15:16:53 UTC

The widthheight, widthheightpage, and nbytes properties of messages are not escaped when used in galleries or Special:RevisionDelete.

Reference:

https://phabricator.wikimedia.org/T297543

Comment 1 Anten Skrabec 2022-04-13 21:12:18 UTC

Created mediawiki tracking bugs for this issue:

Affects: fedora-all [bug 2075227]