CVSS 3.1 Score 4.3 of 10 (medium)


Published Jul 12, 2023
Updated: Nov 7, 2023
CWE ID 352


CVE-2021-4427 is a vulnerability found in the Vuukle Comments, Reactions, Share Bar, Revenue plugin for WordPress versions up to and including 3.4.31. The vulnerability stems from missing or incorrect nonce validation in the /admin/partials/free-comments-for-wordpress-vuukle-admin-display.php file, making it possible for unauthenticated attackers to manipulate the plugin's settings by tricking a site administrator into performing an action such as clicking on a link. The affected products are rvE5-0, rvE5-z, and rvE5-y. The vulnerability has a base severity of MEDIUM with a base score of 4.3 according to the CVSS:3.1 scoring system. The potential danger to organizations lies in the unauthorized modification of plugin settings and potential exploitation of user interactions. Remediation should involve updating to a fixed version of the plugin and ensuring proper nonce validation is implemented in the affected file to prevent cross-site request forgery attacks.

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