Security advisories
Here you will find a list of vulnerabilities that have already been found and fixed in Contao. If you think that you have found a security issue in Contao, please report it according to our security policy.
PHP file inclusion in the back end
by Leo Feyer
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.