CVE-2021-4405

CVSS Score of 10 (low)

Details

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

Summary

CVE-2021-4405 is a Cross-Site Request Forgery (CSRF) vulnerability affecting the ElasticPress plugin for WordPress versions up to and including 3.5.3. The vulnerability arises from missing or incorrect nonce validation in the epio_send_autosuggest_allowed() function, enabling unauthenticated attackers to send allowed parameters for autosuggest to elasticpress[.]io through a forged request. Exploiting this vulnerability requires tricking a site administrator into performing an action such as clicking on a link. The vulnerability has a base score of 4.3 and is rated as medium severity, with low integrity impact and no confidentiality impact. There have been 97 reported instances of this vulnerability, highlighting its potential danger to affected organizations. Remediation should involve updating the ElasticPress plugin to a version that addresses the CSRF vulnerability.

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