CVSS Score of 10 (low)


Published Jul 1, 2023
Updated: Nov 7, 2023
CWE ID 352


CVE-2021-4404 is a vulnerability in the Event Espresso 4 Decaf plugin for WordPress versions up to and including 4.10.11. The vulnerability is a Cross-Site Request Forgery (CSRF) issue caused by missing or incorrect nonce validation on the ajaxHandler() function. This allows unauthenticated attackers to manipulate notifications by tricking site administrators into taking actions, such as clicking on a malicious link. The risk score for this vulnerability is 15, indicating a medium severity level. There have been 84 documented instances of this vulnerability. Remediation for this vulnerability involves updating the plugin to a version that includes proper nonce validation on the ajaxHandler() function.

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