CVE-2021-42047: XSS
First published: Wed Oct 06 2021(Updated: )
An issue was discovered in the Growth extension in MediaWiki through 1.36.2. On any Wiki with the Mentor Dashboard feature enabled, users can login with a mentor account and trigger an XSS payload (such as alert) via Growthexperiments-mentor-dashboard-mentee-overview-no-js-fallback.
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-2021-42047?
The severity of CVE-2021-42047 is medium with a CVSS score of 5.4.
How does CVE-2021-42047 impact MediaWiki?
CVE-2021-42047 allows users to trigger an XSS payload on any MediaWiki instance with the mentor dashboard feature enabled.
How can I fix CVE-2021-42047 in MediaWiki?
You can fix CVE-2021-42047 in MediaWiki by applying the patch provided by the Wikimedia team in their Gerrit repository.
Is there any workaround for CVE-2021-42047?
Currently, there is no known workaround for CVE-2021-42047 besides applying the patch provided by Wikimedia.
Are there any references for CVE-2021-42047?
Yes, you can find references for CVE-2021-42047 in the Gerrit and Phabricator links provided.
- agent/references
- agent/type
- agent/remedy
- agent/last-modified-date
- agent/first-publish-date
- collector/nvd-index
- agent/software-canonical-lookup-request
- 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