CVE-2023-0873: Kanbanwp Kanban Boards For WordPress

Medium severity, CVSS 4.8. EPSS: 0.5% chance of exploitation in the next 30 days.

The Kanban Boards for WordPress plugin before 2.5.21 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

Affected products

• Kanbanwp Kanban Boards For WordPress: before 2.5.21 (fixed in 2.5.21)

Published 2023-06-27. Last modified 2026-06-17.