CVE-2026-4559: Image Photo Gallery Final Tiles Grid <= 3.6.12 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'delay' Shortcode Attribute
The Image Photo Gallery Final Tiles Grid plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'delay' shortcode attribute in all versions up to, and including, 3.6.12 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected Software
Event History
Frequently Asked Questions
Who can exploit this issue?
An attacker needs an authenticated WordPress account with at least Contributor-level access. They can inject script through the delay attribute of the plugin's shortcode.
Which installations are affected?
Image Photo Gallery Final Tiles Grid versions up to and including 3.6.12 are affected. Exploitation requires that an attacker can create or modify content containing the vulnerable shortcode.
What is the impact if exploitation succeeds?
The injected script is stored in a page and executes when users access that page. The vulnerability can affect confidentiality and integrity, while no availability impact is indicated.