Joomla : Security Vulnerabilities, CVEs, CVSS score >= 9

Unspecified vulnerability in Joomla! before 1.0.4 has unknown impact and attack vectors, related to "Potential misuse of Media component file management functions."

Multiple unspecified vulnerabilities in the (1) publishing component, (2) Contact Component, (3) TinyMCE Compressor, and (4) other components in Joomla! 1.0.5 and earlier have unknown impact and attack vectors.

Unspecified vulnerability in the "Remember Me login functionality" in Joomla! 1.0.7 and earlier has unknown impact and attack vectors.

Unspecified vulnerability in JoomlaLib (com_joomlalib) before 1.2.2 for Joomla! allows remote attackers to have an unknown impact, related to "Joomla globals hacked by script kiddies."

Multiple PHP remote file inclusion vulnerabilities in the NFN Address Book (com_nfn_addressbook) 0.4 component for Mambo and Joomla! allow remote attackers to execute arbitrary PHP code via a URL in the mosConfig_absolute_path parameter to (1) components/com_nfn_addressbook/nfnaddressbook.php or (2) administrator/components/com_nfn_addressbook/nfnaddressbook.php.

Multiple PHP remote file inclusion vulnerabilities in the SWmenu (com_swmenupro and com_swmenufree) 4.0 component for Mambo and Joomla! allow remote attackers to execute arbitrary PHP code via a URL in the mosConfig_absolute_path parameter to ImageManager/Classes/ImageManager.php under the (1) components/ or (2) administrator/components/ directory trees.

Session fixation vulnerability in Joomla! before 1.0.13 (aka Sunglow) allows remote attackers to hijack administrative web sessions via unspecified vectors.

Joomla! before 1.5.4 allows attackers to access administration functionality, which has unknown impact and attack vectors related to a missing "LDAP security fix."

Directory traversal vulnerability in the Image Browser (com_imagebrowser) 0.1.5 component for Joomla! allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the folder parameter to index.php.

PHP remote file inclusion vulnerability in admin.rssreader.php in the Simple RSS Reader (com_rssreader) 1.0 component for Joomla! allows remote attackers to execute arbitrary PHP code via a URL in the mosConfig_live_site parameter.

Joomla! Core is prone to a vulnerability that lets attackers upload arbitrary files because the application fails to properly verify user-supplied input. An attacker can exploit this vulnerability to upload arbitrary code and run it in the context of the webserver process. This may facilitate unauthorized access or privilege escalation; other attacks are also possible. Joomla! Core versions 1.5.x ranging from 1.5.0 and up to and including 1.5.15 are vulnerable.

Joomla! Core is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to perform otherwise restricted actions and subsequently retrieve password reset tokens from the database through an already existing SQL injection vector. Joomla! Core versions 1.5.x ranging from 1.5.0 and up to and including 1.5.15 are vulnerable.

Joomla! 1.6.0 is vulnerable to SQL Injection via the filter_order and filer_order_Dir parameters.

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.

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.

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.

The mailSend function in the isMail transport in PHPMailer before 5.2.18 might allow remote attackers to pass extra parameters to the mail command and consequently execute arbitrary code via a \" (backslash double quote) in a crafted Sender property.

The isMail transport in PHPMailer before 5.2.20 might allow remote attackers to pass extra parameters to the mail command and consequently execute arbitrary code by leveraging improper interaction between the escapeshellarg function and internal escaping performed in the mail function in PHP. NOTE: this vulnerability exists because of an incorrect fix for CVE-2016-10033.

SQL injection vulnerability in Joomla! 3.7.x before 3.7.1 allows attackers to execute arbitrary SQL commands via unspecified vectors.

In Joomla! before 3.8.0, inadequate escaping in the LDAP authentication plugin can result in a disclosure of a username and password.

In Joomla! before 3.8.2, a bug allowed third parties to bypass a user's 2-factor authentication method.

In Joomla! before 3.8.4, the lack of type casting of a variable in a SQL statement leads to a SQL injection vulnerability in the Hathor postinstall message.

An issue was discovered in Joomla! Core before 3.8.8. The web install application would autofill password fields after either a form validation error or navigating to a previous install step, and display the plaintext password for the administrator account at the confirmation screen.

An issue was discovered in Joomla! before 3.8.12. Inadequate checks in the InputFilter class could allow specifically prepared phar files to pass the upload filter.

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.