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CVE-2013-4303

6.1 · MEDIUM

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 nu…

Published Dec 11, 2019CWE-79EPSS 1.53%

Overview

CVE-2013-4303 is a medium-severity vulnerability. It was published on December 11, 2019 and has a CVSS 3.1 base score of 6.1 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reflists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.htmlRefseclists.org/oss-sec/2013/q3/553Refwww.securityfocus.com/bid/62194Refbugzilla.wikimedia.org/show_bug.cgi?id=52746Refexchange.xforce.ibmcloud.com/vulnerabilities/86897Reflists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.htmlRefseclists.org/oss-sec/2013/q3/553Refwww.securityfocus.com/bid/62194Refbugzilla.wikimedia.org/show_bug.cgi?id=52746Refexchange.xforce.ibmcloud.com/vulnerabilities/86897

How CyberStrike helps

Frequently asked questions

What is CVE-2013-4303?

CVE-2013-4303 is a medium-severity vulnerability. It was published on December 11, 2019 and has a CVSS 3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2013-4303?

This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2013-4303?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2013-4303?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2013-4303 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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