CVE-2023-4022

Summary

CVE-2023-4022 is a vulnerability affecting the Herd Effects plugin for WordPress. The issue lies in the plugin's failure to sanitize and escape certain settings, making it susceptible to Stored Cross-Site Scripting (XSS) attacks. High privilege users, including admins, can exploit this flaw to inject malicious scripts, even when the unfiltered_html capability is denied. In a multisite setup, this vulnerability can pose a significant risk to all connected sites.

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