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CVE-2016-9836

Description

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.

POC

Reference

- https://github.com/XiphosResearch/exploits/tree/master/Joomraa

Github

- https://github.com/R0B1NL1N/E-x-p-l-o-i-t-s

- https://github.com/Xcod3bughunt3r/ExploitsTools

- https://github.com/XiphosResearch/exploits

- https://github.com/dr4v/exploits

- https://github.com/shildenbrand/Exploits