CVSS 3.1 Score 4.3 of 10 (medium)


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


CVE-2021-4416 is a vulnerability found in the wp-mpdf plugin for WordPress versions up to and including 3.5.1. It is categorized as a Cross-Site Request Forgery (CSRF) vulnerability, specifically due to missing or incorrect nonce validation on the mpdf_admin_savepost() function. This vulnerability allows unauthenticated attackers to save post data by tricking a site administrator into performing an action, such as clicking on a manipulated link. The impact of this vulnerability is considered medium severity, with a base score of 4.3 out of 10. To mitigate the risk, users are advised to update the wp-mpdf plugin to a version that addresses this vulnerability.


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