The Tag Groups is the Advanced Way to Display Your Taxonomy Terms WordPress plugin before 2.2.0 does not properly escape one of its AJAX parameters before reflecting it in the response body served with an HTML content type, allowing unauthenticated attackers to execute arbitrary JavaScript in the browser of a logged-in user with `edit_pages` capability (Editor or higher) who is tricked into following a crafted link.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Tag Groups Plugin | — | Update tag-groups plugin to version 2.2.0, or a newer patched version | Jul 30, 2026 | Jun 29, 2026 |
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