CVE-2021-4416

CVSS 3.1 Score 7.2 of 10 (high)

Details

Published Jul 12, 2023
Updated: Nov 7, 2023
CWE ID 121

Summary

CVE-2021-4416 is a Cross-Site Request Forgery (CSRF) vulnerability affecting versions up to 3.5.1 of the wp-mpdf plugin for WordPress. The issue lies in the mpdf_admin_savepost() function, where nonce validation is either missing or incorrect. This flaw enables unauthenticated attackers to save post data on affected WordPress sites by deceiving administrators into executing a malicious request. The attacker can take advantage of this vulnerability by tricking an administrator into clicking on a specially crafted link, potentially leading to unintended data modifications or other malicious actions.

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