CVE-2026-16965: Unknown Solace Extra

Medium severity, CVSS 4.3. EPSS: 0.1% chance of exploitation in the next 30 days.

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.

Affected products

• Unknown Solace Extra: before 1.6.1 (fixed in 1.6.1)

Published 2026-08-09. Last modified 2026-08-26.