WHMCS v5.3.14 Nulled – Fix Security Advisory TSR-2015-0001

How to install :
Installed and replace file license.php :

Release Notes
The security changes in these releases address 9 issues, all of which were reported via the security bounty program, or discovered internally by the WHMCS Development Team. The issues addressed are rated as having Trivial to Important security impacts.
Once sufficient time has passed to allow WHMCS customers to update their installed software, WHMCS will release additional information regarding the nature of the security issues.
Template Changes
There were no template changes in this release.
Language File Changes
Admin Language Strings
There were no changes to the admin language strings in this release.
Client Language Strings
There were no changes to the client language strings in this release.
CORE-8479 – Redacted
CORE-8484 – Redacted
CORE-8485 – Redacted
CORE-8487 – Redacted
CORE-8488 – Redacted
CORE-8508 – Redacted
CORE-8529 – Redacted
CORE-8538 – Redacted
CORE-8539 – Redacted
MODULE-6024 (#4591) – Prevent invoice creation process generating orphaned promotional item invoices
Also known as: CORE-7307
MODULE-6196 – Update Sagepay modules to use Sagepay API v3
Also known as: MODULE-6251
MODULE-6245 – Namecheap: Fix compatibility issue with PHP 5.2