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

References

CVE-2013-4303

Related Vulnerabilities

MySQL CVE-2019-2834 Vulnerability (CVE-2019-2834)

Drupal Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2011-2714)

WordPress Plugin Display Widgets Spam Links Injection (2.6.3.1)

Internet Information Services Other Vulnerability (CVE-1999-0278)

Envoy Proxy CVE-2024-23324 Vulnerability (CVE-2024-23324)

Severity

Medium

Classification

CVE-2013-4303 CWE-707 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Tags

Missing Update Known Vulnerabilities