The WordPress custom-contact-forms plugin less than or equal to 5.1.0.3 allows unauthenticated users to download a SQL dump of the plugins database tables. Its also possible to upload files containing SQL statements which will be executed. The module first tries to extract the WordPress table prefix from the dump and then attempts to create a new admin user.
1a80c7130e774898b0a92ea3c0917bafbdbbd5af2170e9e5a15940936f916185WordPress Ultimate Member plugin versions 2.6.6 and below suffer from a privilege escalation vulnerability.
f5d75217bac851597070df579c5cffbcbc42ab75dddb1476c2fdcaa31a651b75Joomla suffers from an unauthenticated remote code execution that affects all versions from 1.5.0 to 3.4.5. By storing user supplied headers in the databases session table it's possible to truncate the input by sending an UTF-8 character. The custom created payload is then executed once the session is read from the database. You also need to have a PHP version before 5.4.45 (including 5.3.x), 5.5.29 or 5.6.13. In later versions the deserialisation of invalid session data stops on the first error and the exploit will not work. The PHP Patch was included in Ubuntu versions 5.5.9+dfsg-1ubuntu4.13 and 5.3.10-1ubuntu3.20 and in Debian in version 5.4.45-0+deb7u1.
5a665a27f3d12ff63349cd4ca300cdf8e60e5919f5df2fde458870a5b8bac108The Wordpress Theme "platform" contains a remote code execution vulnerability through an unchecked admin_init call. The theme includes the uploaded file from it's temp filename with php's include function.
c111d9d51c266ad61917964f9eea57d1334074e2ca4b8eb80252f3ed807ddc0fThe Wordpress WPTouch plugin contains an authenticated file upload vulnerability. A wp-nonce (CSRF token) is created on the backend index page and the same token is used on handling ajax file uploads through the plugin. By sending the captured nonce with the upload, we can upload arbitrary files to the upload folder. Because the plugin also uses it's own file upload mechanism instead of the wordpress api it's possible to upload any file type. The user provided does not need special rights. Also users with "Contributer" role can be abused.
3b83080229ddf1398d4c0e14805e19037ba1387ba609af42952912ac8e1c07bbThe Wordpress plugin "MailPoet Newsletters" (wysija-newsletters) before 2.6.8 is vulnerable to an unauthenticated file upload. The exploit uses the Upload Theme functionality to upload a zip file containing the payload. The plugin used the admin_init hook, which is also executed for unauthenticated users when accessing a specific URL. The developers tried to fix the vulnerability in version 2.6.7 but the fix can be bypassed. In PHPs default configuration, a POST variable overwrites a GET variable in the $_REQUEST array. The plugin uses $_REQUEST to check for access rights. By setting the POST parameter to something not beginning with 'wysija_', the check is bypassed. Wordpress uses the $_GET array to determine the page and is so not affected by this.
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