CVE-2021-31551: XSS
First published: Thu Apr 22 2021(Updated: )
An issue was discovered in the PageForms extension for MediaWiki through 1.35.2. Crafted payloads for Token-related query parameters allowed for XSS on certain PageForms-managed MediaWiki pages.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Wikimedia MediaWiki | <=1.35.2 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-31551?
The severity of CVE-2021-31551 is classified as a medium risk due to its potential for XSS attacks on MediaWiki pages.
How do I fix CVE-2021-31551?
To fix CVE-2021-31551, upgrade the PageForms extension for MediaWiki to version 1.36 or later.
What type of attack does CVE-2021-31551 allow?
CVE-2021-31551 allows for Cross-Site Scripting (XSS) attacks through crafted payloads on vulnerable MediaWiki pages.
Which versions of MediaWiki are affected by CVE-2021-31551?
CVE-2021-31551 affects MediaWiki versions up to and including 1.35.2.
What component of MediaWiki is vulnerable in CVE-2021-31551?
The PageForms extension of MediaWiki is the vulnerable component in CVE-2021-31551.
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- version/wikimedia mediawiki/1.35.2