CVE-2026-109974: All-in-One Video Gallery <= 4.9.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'more_link' Shortcode Attribute
The All-in-One Video Gallery – Video Player & Galleries for YouTube, Vimeo & Self-Hosted Videos plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'morelink' parameter in all versions up to, and including, 4.9.7 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 Contributor-level permissions or higher. They can inject script through the more_link shortcode attribute.
When does the injected script run?
The script is stored in a page and executes when a user accesses that injected page. This can affect users who view the compromised content.
Which installations are affected?
All versions of the Plugins360 All-in-One Video Gallery plugin up to and including 4.9.7 are affected. The provided information does not identify a fixed version.