CVE-2021-24243: Wpbakery Page Builder Clipboard Project Wpbakery Page Builder Clipboard

Medium severity, CVSS 5.4. EPSS: 0.7% chance of exploitation in the next 30 days.

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

• Wpbakery Page Builder Clipboard Project Wpbakery Page Builder Clipboard: from 4.5.0, before 4.5.6 (fixed in 4.5.6)

Published 2021-05-06. Last modified 2026-06-17.