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WHMCS Security Advisory
Posted by Joe S on 28 January 2020 06:02 PM

We have received the following notification from WHMCS, please be advised if you are using WHMCS.

This does not impact the TurnKey Internet or HostPC billing systems.

Hello,

We are writing to advise you of a potential security vulnerability when htaccess directives are not enforced appropriately for WHMCS. This most commonly occurs in web server environments such as nginx.

Affected Versions

WHMCS 6.0 and later

How to tell if you're affected

If the following file is readable from a web browser, then you need to investigate and apply appropriate configurations for your web server environment.

A verification tool has also been made available to assist in determining if your web server environment is affected. This tool can be downloaded here.

How to fix the vulnerability

Please follow the instructions provided in the detailed security advisory:

WHMCS Security Advisory 2020-01-28

WHMCS is here to help, if you are unsure if your system is enforcing .htaccess directives you can open a support ticket for assistance.

Kind regards,
WHMCS


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