CVE-2021-42046: XSS
First published: Wed Oct 06 2021(Updated: )
An issue was discovered in the GlobalWatchlist extension in MediaWiki through 1.36.2. The rev-deleted-user and ntimes messages were not properly escaped and allowed for users to inject HTML and JavaScript.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| MediaWiki MediaWiki | <=1.36.2 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-42046?
The severity of CVE-2021-42046 is medium (6.1).
What software is affected by CVE-2021-42046?
The GlobalWatchlist extension in MediaWiki through version 1.36.2 is affected by CVE-2021-42046.
What is the vulnerability type of CVE-2021-42046?
The vulnerability type of CVE-2021-42046 is CWE-79 (Cross-site Scripting).
How can an attacker exploit CVE-2021-42046?
An attacker can exploit CVE-2021-42046 by injecting HTML and JavaScript using the rev-deleted-user and ntimes messages in the GlobalWatchlist extension.
Are there any fixes or patches available for CVE-2021-42046?
Yes, fixes for CVE-2021-42046 are available. Please refer to the provided references for more information.
- agent/type
- agent/remedy
- agent/last-modified-date
- agent/first-publish-date
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/references
- agent/weakness
- agent/severity
- agent/author
- agent/softwarecombine
- agent/tags
- agent/description
- agent/event
- collector/mitre-cve
- source/MITRE
- vendor/mediawiki
- canonical/mediawiki mediawiki
- version/mediawiki mediawiki/1.36.2