A vulnerability has been discovered in the Simple File Upload module for Joomla!, which can be exploited by malicious people to compromise a vulnerable system.
The vulnerability is caused due to the modules/mod_simplefileuploadv1.3/helper.php script not properly validating uploaded files, which can be exploited to execute arbitrary PHP code by uploading a PHP file with e.g. a ".pht" file extension.
The vulnerability is confirmed in version 1.3.5. Other versions may also be affected.
Solution: Restrict access to the upload folder (e.g. via .htaccess).
Provided and/or discovered by: Reported by the Joomla! VEL team.
Original Advisory: Simple File Upload:
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