CVE-2024-1589 SendPress Newsletters <= 1.23.11.6 - Admin+ Stored XSS via Form Settings

The SendPress Newsletters WordPress plugin through 1.23.11.6 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfilteredhtml capability is disallowed for example in multisite setup...

CVE-2024-1589

The SendPress Newsletters WordPress plugin (versions into these fields, which will then execute in the browser of other users. Exploitation details are provided in the documentation, demonstrating successful execution of a JavaScript payload.