The Category Posts Widget WordPress plugin before 4.9.18 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).
| Software | From | Fixed in |
|---|---|---|
| zephyrwest / category_posts_widget | - | 4.9.18 |