The sample data plugins lack ACL checks, allowing unauthorized access.
Joomla! CMS versions 3.8.0 through 3.9.3
Upgrade to version 3.9.4
The JSST at the Joomla! Security Centre.
The media form field lacks escaping, leading to a XSS vulnerability.
Joomla! CMS versions 3.2.0 through 3.9.3
Upgrade to version 3.9.4
The JSST at the Joomla! Security Centre.
The item_title layout in edit views lacks escaping, leading to a XSS vulnerability.
Joomla! CMS versions 3.2.0 through 3.9.3
Upgrade to version 3.9.4
The JSST at the Joomla! Security Centre.
The JSON handler in com_config lacks input validation, leading to XSS vulnerability.
Joomla! CMS versions 3.2.0 through 3.9.3
Upgrade to version 3.9.4
The JSST at the Joomla! Security Centre.
The phar:// stream wrapper can be used for objection injection attacks. We now disallow usage of the phar:// handler for non .phar-files within the CMS globally by implementing the TYPO3 PHAR stream wrapper.
Joomla! CMS versions 2.5.0 through 3.9.2
Upgrade to version 3.9.3
The JSST at the Joomla! Security Centre.