CVE-2026-85678: Unknown Ai Builder

Medium severity, CVSS 6.8. EPSS: 0.4% chance of exploitation in the next 30 days.

The AI Builder WordPress plugin before 2.7.8 does not sanitise custom JavaScript saved against a post before echoing it inside a script tag on the front end, allowing users with contributor level access and above to store arbitrary JavaScript that will execute in the browser of anyone who views the post, including the editor or administrator who reviews it.

Affected products

• Unknown Ai Builder: from 2.4.1, before 2.7.8 (fixed in 2.7.8)

Published 2026-09-11. Last modified 2026-09-11.