CVE-2019-7743: Joomla!

Critical severity, CVSS 9.8. EPSS: 2.7% chance of exploitation in the next 30 days.

An issue was discovered in Joomla! before 3.9.3. The phar:// stream wrapper can be used for objection injection attacks because there is no protection mechanism (such as the TYPO3 PHAR stream wrapper) to prevent use of the phar:// handler for non .phar-files.

Affected products

• Joomla! Joomla!: from 2.5.0, up to and including 3.9.2

Published 2019-02-12. Last modified 2026-06-17.