Bug 2081078 (CVE-2022-29969)

Summary:	CVE-2022-29969 mediawiki: Cross-site scripting (XSS) in RSS plugin
Product:	[Other] Security Response	Reporter:	Todd Cullum <tcullum>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	aos-bugs, Axel.Thimm, bmontgom, eparis, jburrell, jokerman, mike, nstielau, orion, puiterwijk, shurley, sponnaga
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	mediawiki 1.39.0	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in the RSS extension of MediaWiki. This flaw allows a remote attacker to cause a Cross-site scripting (XSS) attack if the feed is in $wgRSSUrlWhitelist and the $wgRSSAllowLinkTag is true.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-05-04 09:45:19 UTC	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:	2081079
Bug Blocks:	2081092

Description Todd Cullum 2022-05-02 17:16:34 UTC

The RSS extension before 2022-04-29 for MediaWiki allows XSS via an rss element (if the feed is in $wgRSSUrlWhitelist and $wgRSSAllowLinkTag is true).

References:
https://phabricator.wikimedia.org/T307028
https://gerrit.wikimedia.org/r/c/787807

Comment 1 Todd Cullum 2022-05-02 17:16:50 UTC

Created mediawiki tracking bugs for this issue:

Affects: fedora-all [bug 2081079]

Comment 3 Product Security DevOps Team 2022-05-04 09:45:16 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2022-29969