CVE-2021-4362: Wpkube Kiwi Social Share

Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days.

The Kiwi Social Share plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the kiwi_social_share_get_option() function called via the kiwi_social_share_get_option AJAX action in version 2.1.0. This makes it possible for unauthenticated attackers to read and modify arbitrary options on a WordPress site that can be used for complete site takeover. This was a previously fixed vulnerability that was reintroduced in this version.

Affected products

• Wpkube Kiwi Social Share: version 2.1.0 only

Published 2023-06-07. Last modified 2026-06-17.