CVE-2026-12120: Fireplugins Firebox Popups – Increase Sales And Grow Your Email List

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

The FireBox Popups – Increase Sales and Grow Your Email List plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.1.7 via the 'form_id' parameter. This makes it possible for unauthenticated attackers to extract download a full CSV export of all form submissions — including any personally identifiable information submitted by users — for any arbitrary form_id.

Affected products

• Fireplugins Firebox Popups – Increase Sales And Grow Your Email List: up to and including 3.1.7

Published 2026-06-18. Last modified 2026-06-18.