Description
An AJAX action registered by the WPBakery Page Builder (Visual Composer) Clipboard WordPress plugin before 4.5.6 did not have capability checks nor sanitization, allowing low privilege users (subscriber+) to call it and set XSS payloads, which will be triggered in all backend pages.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| bitorbit | WPBakery Page Builder (Visual Composer) Clipboard | 4.5.0 – < 4.5.0*, 4.5.6 – < 4.5.6 | 4.5.0* |