CVE-2026-116545 — All-in-One Video Gallery <= 5.0.0 - Authenticated (Subscriber+) Stored DOM-Based Cross-Site Scripting via 'track' Post…

Affected: plugins360 All-in-One Video Gallery – Video Player & Galleries for YouTube, Vimeo & Self-Hosted Videos

The All-in-One Video Gallery – Video Player & Galleries for YouTube, Vimeo & Self-Hosted Videos plugin for WordPress is vulnerable to Stored DOM-Based Cross-Site Scripting via the 'custom_fields[].value.label (for key='track')' parameter in all versions up to, and including, 5.0.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires the site's Player Library option to be configured as Plyr/Vidstack (aiovg_player_settings[player]='vidstack') rather than the Video.js default, as the DOM innerHTML sink exists only in the Plyr/Vidstack template path.

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CVE-2026-116545 — All-in-One Video Gallery <= 5.0.0 - Authenticated (Subscriber+) Stored DOM-Based Cross-Site Scripting via 'track' Post…