Bug 2036087 (CVE-2021-45473) - CVE-2021-45473 mediawiki: XSS on page information Wikibase central description
Summary: CVE-2021-45473 mediawiki: XSS on page information Wikibase central description
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2021-45473
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2036088
Blocks: 2036091
TreeView+ depends on / blocked
 
Reported: 2021-12-29 17:11 UTC by Guilherme de Almeida Suckevicz
Modified: 2022-01-07 17:47 UTC (History)
11 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in mediawiki through version 1.37. Wikibase item descriptions allow cross-site scripting attacks (XSS), which is triggered upon a visit to an action=info URL (aka a page-information sidebar).
Clone Of:
Environment:
Last Closed: 2022-01-07 17:10:54 UTC
Embargoed:

Attachments (Terms of Use)

Description Guilherme de Almeida Suckevicz 2021-12-29 17:11:10 UTC 
In MediaWiki through 1.37, Wikibase item descriptions allow XSS, which is triggered upon a visit to an action=info URL (aka a page-information sidebar).

Reference:
https://phabricator.wikimedia.org/T294693

Upstream patch:
https://gerrit.wikimedia.org/r/q/I3cd080a1a7dacd7396d37ee0c98cff0b4e241f8d
Comment 1 Guilherme de Almeida Suckevicz 2021-12-29 17:11:25 UTC 
Created mediawiki tracking bugs for this issue:

Affects: fedora-all [bug 2036088]
Comment 2 Product Security DevOps Team 2022-01-07 17:10:53 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-2021-45473
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