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Case File

CVE-2013-4303

MEDIUM · CVSS 6.1 EPSS 1.53%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-12-11 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.1. It may be remotely exploitable.

CVE
CVE-2013-4303
Severity
MEDIUM
CVSS
6.1
EPSS
1.53%

Original NVD 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.

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