CVE-2026-9570: Unknown Taskbuilder

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

The Taskbuilder WordPress plugin before 5.0.8 does not properly sanitise a URL parameter before echoing it into inline JavaScript on a frontend page containing one of its shortcodes, leading to a Reflected Cross-Site Scripting vulnerability that can be triggered against any logged-in user.

Affected products

• Unknown Taskbuilder: before 5.0.8 (fixed in 5.0.8)

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