Joomla! 3.4.4 through 3.6.3 allows attackers to reset username, password, and user group assignments and possibly perform other user account modifications via unspecified vectors. (CVSS:7.5) (Last Update:2017-01-25)

An issue was discovered in components/com_users/models/registration.php in Joomla! before 3.6.5. Incorrect filtering of registration form data stored to the session on a validation error enables a user to gain access to a registered user’s account and reset the user’s group mappings, username, and password, as demonstrated by submitting a form that targets the `registration.register` task. (CVSS:5.0) (Last Update:2016-12-16)

An issue was discovered in templates/beez3/html/com_content/article/default.php in Joomla! before 3.6.5. Inadequate permissions checks in the Beez3 layout override of the com_content article view allow users to view articles that should not be publicly accessible, as demonstrated by an index.php?option=com_content&view=article&id=1&template=beez3 request. (CVSS:5.0) (Last Update:2016-12-16)

The file scanning mechanism of JFilterInput::isFileSafe() in Joomla! CMS before 3.6.5 does not consider alternative PHP file extensions when checking uploaded files for PHP content, which enables a user to upload and execute files with the `.php6`, `.php7`, `.phtml`, and `.phpt` extensions. Additionally, JHelperMedia::canUpload() did not blacklist these file extensions as uploadable file types. (CVSS:7.5) (Last Update:2016-12-06)

The register method in the UsersModelRegistration class in controllers/user.php in the Users component in Joomla! before 3.6.4, when registration has been disabled, allows remote attackers to create user accounts by leveraging failure to check the Allow User Registration configuration setting. (CVSS:6.8) (Last Update:2016-11-07)

The register method in the UsersModelRegistration class in controllers/user.php in the Users component in Joomla! before 3.6.4 allows remote attackers to gain privileges by leveraging incorrect use of unfiltered data when registering on a site. (CVSS:7.5) (Last Update:2016-11-07)

SQL injection vulnerability in Joomla! 3.x before 3.4.7 allows attackers to execute arbitrary SQL commands via unspecified vectors. (CVSS:7.5) (Last Update:2016-01-15)

Joomla! 1.5.x, 2.x, and 3.x before 3.4.6 allow remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via the HTTP User-Agent header, as exploited in the wild in December 2015. (CVSS:7.5) (Last Update:2015-12-17)

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. (CVSS:7.5) (Last Update:2015-12-17)

The Session package 1.x before 1.3.1 for Joomla! Framework allows remote attackers to execute arbitrary code via unspecified session values. (CVSS:7.5) (Last Update:2015-12-17)