PHP file inclusion in the back end

Date: 2017-07-12
CVE ID: CVE-2017-10993

Description

A logged in back end user can include arbitrary PHP files by manipulating an URL parameter. Since Contao does not allow to upload PHP files in the file manager, the attack is limited to the existing PHP files on the server.

Affected versions

Contao 3.* up to 3.5.27
Contao 4.0
Contao 4.1
Contao 4.2
Contao 4.3
Contao 4.4 up to 4.4.0

Suggested solution

Update to Contao 3.5.28 or 4.4.1.