Image Photo Gallery Final Tiles Grid < 3.6.9 - Authenticated (Author+) Stored Cross-Site Scripting via 'Custom Scripts' Setting

Description

The Image Photo Gallery Final Tiles Grid plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Custom scripts' setting in all versions up to, and including, 3.6.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.