What is the severity of CVE-2021-45474?

CVE-2021-45474 is classified as a medium severity vulnerability due to its potential for exploitation through XSS.

How do I fix CVE-2021-45474?

To fix CVE-2021-45474, users should upgrade to MediaWiki version 1.38 or later, as this version addresses the vulnerability.

Which versions of MediaWiki are affected by CVE-2021-45474?

CVE-2021-45474 affects all MediaWiki versions up to and including 1.37.

What are the consequences of exploiting CVE-2021-45474?

Exploiting CVE-2021-45474 can lead to cross-site scripting (XSS), potentially allowing an attacker to execute scripts in the context of a user's session.

Is CVE-2021-45474 specific to certain operating systems?

CVE-2021-45474 is not limited to a specific operating system but affects MediaWiki installations on any system using versions up to 1.37.

Vulnerability/
CVE-2021-45474

medium

6.1

CWE

24/12/2021

21/11/2024

CVE-2021-45474: XSS

First published: Fri Dec 24 2021(Updated: )

In MediaWiki through 1.37, the Special:ImportFile URI (aka FileImporter) allows XSS, as demonstrated by the clientUrl parameter.

Credit: cve@mitre.org cve@mitre.org

Affected Software	Affected Version	How to fix
Wikimedia MediaWiki	<=1.37
Fedoraproject Fedora	=35

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-45474?
CVE-2021-45474 is classified as a medium severity vulnerability due to its potential for exploitation through XSS.
How do I fix CVE-2021-45474?
To fix CVE-2021-45474, users should upgrade to MediaWiki version 1.38 or later, as this version addresses the vulnerability.
Which versions of MediaWiki are affected by CVE-2021-45474?
CVE-2021-45474 affects all MediaWiki versions up to and including 1.37.
What are the consequences of exploiting CVE-2021-45474?
Exploiting CVE-2021-45474 can lead to cross-site scripting (XSS), potentially allowing an attacker to execute scripts in the context of a user's session.
Is CVE-2021-45474 specific to certain operating systems?
CVE-2021-45474 is not limited to a specific operating system but affects MediaWiki installations on any system using versions up to 1.37.

agent/type
agent/severity
agent/description
collector/mitre-cve
source/MITRE
agent/references
agent/first-publish-date
agent/last-modified-date
agent/author
agent/softwarecombine
agent/event
agent/source
agent/tags
agent/weakness
collector/nvd-api
source/NVD
agent/software-canonical-lookup
agent/software-canonical-lookup-request
collector/nvd-index
vendor/mediawiki
canonical/wikimedia mediawiki
version/wikimedia mediawiki/1.37
vendor/fedoraproject
canonical/fedoraproject fedora
version/fedoraproject fedora/35

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Frequently Asked Questions

What is the severity of CVE-2021-45474?
CVE-2021-45474 is classified as a medium severity vulnerability due to its potential for exploitation through XSS.
How do I fix CVE-2021-45474?
To fix CVE-2021-45474, users should upgrade to MediaWiki version 1.38 or later, as this version addresses the vulnerability.
Which versions of MediaWiki are affected by CVE-2021-45474?
CVE-2021-45474 affects all MediaWiki versions up to and including 1.37.
What are the consequences of exploiting CVE-2021-45474?
Exploiting CVE-2021-45474 can lead to cross-site scripting (XSS), potentially allowing an attacker to execute scripts in the context of a user's session.
Is CVE-2021-45474 specific to certain operating systems?
CVE-2021-45474 is not limited to a specific operating system but affects MediaWiki installations on any system using versions up to 1.37.