What is the severity of CVE-2013-4303?

CVE-2013-4303 is rated as a moderate severity vulnerability due to its potential for cross-site scripting attacks.

How do I fix CVE-2013-4303?

To fix CVE-2013-4303, upgrade MediaWiki to version 1.19.8, 1.20.7, or 1.21.2 or later.

Who is affected by CVE-2013-4303?

CVE-2013-4303 affects MediaWiki versions prior to 1.19.8, 1.20.7, and 1.21.2 including 1.19.x, 1.20.x, and 1.21.x branch releases.

What type of attack does CVE-2013-4303 facilitate?

CVE-2013-4303 facilitates cross-site scripting (XSS) attacks, allowing attackers to execute scripts in the context of the user's browser.

What components of MediaWiki are affected by CVE-2013-4303?

CVE-2013-4303 specifically affects the includes/libs/IEUrlExtension.php component of MediaWiki's API.

Vulnerability/
CVE-2013-4303

medium

6.1

CWE

11/12/2019

6/8/2024

CVE-2013-4303: XSS

First published: Wed Dec 11 2019(Updated: )

includes/libs/IEUrlExtension.php in the MediaWiki API in MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 does not properly detect extensions when there are an even number of "." (period) characters in a string, which allows remote attackers to conduct cross-site scripting (XSS) attacks via the siprop parameter in a query action to wiki/api.php.

Credit: secalert@redhat.com

Affected Software	Affected Version	How to fix
MediaWiki	>=1.19.0<1.19.8
MediaWiki	>=1.20.0<1.20.7
MediaWiki	>=1.21.0<1.21.2

Remedy

http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.html

Remedy

https://bugzilla.wikimedia.org/show_bug.cgi?id=52746

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2013-4303?
CVE-2013-4303 is rated as a moderate severity vulnerability due to its potential for cross-site scripting attacks.
How do I fix CVE-2013-4303?
To fix CVE-2013-4303, upgrade MediaWiki to version 1.19.8, 1.20.7, or 1.21.2 or later.
Who is affected by CVE-2013-4303?
CVE-2013-4303 affects MediaWiki versions prior to 1.19.8, 1.20.7, and 1.21.2 including 1.19.x, 1.20.x, and 1.21.x branch releases.
What type of attack does CVE-2013-4303 facilitate?
CVE-2013-4303 facilitates cross-site scripting (XSS) attacks, allowing attackers to execute scripts in the context of the user's browser.
What components of MediaWiki are affected by CVE-2013-4303?
CVE-2013-4303 specifically affects the includes/libs/IEUrlExtension.php component of MediaWiki's API.

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