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CVE-2016-9836 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 us...

CriticalCVSS 9.8 EPSS 1.9%
Published
Updated
Exploit status
No public exploit known
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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.

Affected products

ProductAffected versionsFixed in
joomla <= 3.6.4 No fix listed

References

  • 94663 third-party-advisory vdb-entry
  • github.com exploit third-party-advisory