The Solace Extra WordPress plugin before 1.6.1 does not perform capability or nonce checks in one of its AJAX actions, allowing any authenticated user such as a subscriber (and, via CSRF, any logged-in user) to update post meta on arbitrary posts and to deactivate the site's active templates.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Solace Extra Plugin | — | Update solace-extra plugin to version 1.6.1, or a newer patched version | Aug 17, 2026 | Aug 3, 2026 |
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