CVE-2025-15488: Unknown Responsive Plus

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

The Responsive Plus WordPress plugin before 3.4.3 is vulnerable to arbitrary shortcode execution due to the software allowing unauthenticated users to execute the update_responsive_woo_free_shipping_left_shortcode AJAX action that does not properly validate the content_rech_data parameter before processing it as a shortcode.

Affected products

• Unknown Responsive Plus: before 3.4.3 (fixed in 3.4.3)

Published 2026-03-26. Last modified 2026-06-17.