| Package | Affected versions | Patched versions |
|---|---|---|
| term and category based posts widget | < 4.9.13 | 4.9.13 |
| category posts widget | < 4.9.17 | 4.9.17 |
The Category Posts Widget WordPress plugin before 4.9.17, term-and-category-based-posts-widget WordPress plugin before 4.9.13 does not validate and escape some of its "Category Posts" widget settings before outputting them back in a page/post where the Widget is embed, 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)
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