CVE-2021-42043: XSS
First published: Wed Oct 06 2021(Updated: )
An issue was discovered in Special:MediaSearch in the MediaSearch extension in MediaWiki through 1.36.2. The suggestion text (a parameter to mediasearch-did-you-mean) was not being properly sanitized and allowed for the injection and execution of HTML and JavaScript via the intitle: search operator within the query.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| MediaWiki MediaWiki | <=1.36.2 | |
| <=1.36.2 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2021-42043.
What is the affected software?
The affected software is MediaWiki version up to and including 1.36.2.
What is the severity rating for this vulnerability?
The severity rating for this vulnerability is medium (CVSS score 6.1).
How can the vulnerability be exploited?
The vulnerability can be exploited by injecting and executing HTML and JavaScript through the intitle: search operator in Special:MediaSearch.
Are there any references for this vulnerability?
Yes, there are references available: [1] [2]
- agent/references
- agent/type
- agent/remedy
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/weakness
- agent/severity
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/first-publish-date
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/last-modified-date
- agent/author
- agent/softwarecombine
- agent/tags
- agent/event
- vendor/mediawiki
- canonical/mediawiki mediawiki
- version/mediawiki mediawiki/1.36.2