What is the severity of CVE-2021-36131?

CVE-2021-36131 is classified as a high severity vulnerability due to its potential for exploitation via cross-site scripting.

How do I fix CVE-2021-36131?

To remediate CVE-2021-36131, upgrade to MediaWiki version 1.37 or later where the vulnerability has been patched.

Who is affected by CVE-2021-36131?

CVE-2021-36131 affects users of the SportsTeams extension in MediaWiki versions up to and including 1.36.

What type of vulnerability is CVE-2021-36131?

CVE-2021-36131 is an XSS (Cross-Site Scripting) vulnerability allowing the injection of arbitrary HTML and JavaScript.

What are the potential impacts of CVE-2021-36131?

The potential impacts of CVE-2021-36131 include unauthorized information access and control over user accounts due to script execution.

Vulnerability/
CVE-2021-36131

medium

4.8

CWE

2/7/2021

4/8/2024

CVE-2021-36131: XSS

First published: Fri Jul 02 2021(Updated: )

An XSS issue was discovered in the SportsTeams extension in MediaWiki through 1.36. Within several special pages, a privileged user could inject arbitrary HTML and JavaScript within various data fields. The attack could easily propagate across many pages for many users.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Wikimedia MediaWiki	<=1.36

Remedy

https://gerrit.wikimedia.org/r/q/Ic312cc9b8463c8e7c3298a661abfcff2cc2332cb

Remedy

https://phabricator.wikimedia.org/T281196

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-36131?
CVE-2021-36131 is classified as a high severity vulnerability due to its potential for exploitation via cross-site scripting.
How do I fix CVE-2021-36131?
To remediate CVE-2021-36131, upgrade to MediaWiki version 1.37 or later where the vulnerability has been patched.
Who is affected by CVE-2021-36131?
CVE-2021-36131 affects users of the SportsTeams extension in MediaWiki versions up to and including 1.36.
What type of vulnerability is CVE-2021-36131?
CVE-2021-36131 is an XSS (Cross-Site Scripting) vulnerability allowing the injection of arbitrary HTML and JavaScript.
What are the potential impacts of CVE-2021-36131?
The potential impacts of CVE-2021-36131 include unauthorized information access and control over user accounts due to script execution.

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agent/last-modified-date
agent/event
agent/first-publish-date
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/mediawiki
canonical/wikimedia mediawiki
version/wikimedia mediawiki/1.36

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Frequently Asked Questions

What is the severity of CVE-2021-36131?
CVE-2021-36131 is classified as a high severity vulnerability due to its potential for exploitation via cross-site scripting.
How do I fix CVE-2021-36131?
To remediate CVE-2021-36131, upgrade to MediaWiki version 1.37 or later where the vulnerability has been patched.
Who is affected by CVE-2021-36131?
CVE-2021-36131 affects users of the SportsTeams extension in MediaWiki versions up to and including 1.36.
What type of vulnerability is CVE-2021-36131?
CVE-2021-36131 is an XSS (Cross-Site Scripting) vulnerability allowing the injection of arbitrary HTML and JavaScript.
What are the potential impacts of CVE-2021-36131?
The potential impacts of CVE-2021-36131 include unauthorized information access and control over user accounts due to script execution.