CVE-2015-8564: Joomla!

High severity, CVSS 7.5. EPSS: 2.6% chance of exploitation in the next 30 days.

Directory traversal vulnerability in Joomla! 3.4.x before 3.4.6 allows remote attackers to have unspecified impact via directory traversal sequences in the XML install file in an extension package archive.

Affected products

• Joomla! Joomla!: version 3.4.0 only; version 3.4.1 only; version 3.4.3 only; version 3.4.4 only; version 3.4.5 only

Published 2015-12-16. Last modified 2026-06-17.