The Newsletter – Send awesome emails from WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'np1' Custom Field Parameter in all versions up to, and including, 9.4.0. This is due to insufficient input sanitization and output escaping, allowing unauthenticated attackers to inject arbitrary web scripts in pages that execute when a user accesses an injected page. Defenders should [truncated]
CVE-2026-90981 is a Reflected Cross-Site Scripting vulnerability in the Newsletter – Send awesome emails from WordPress plugin for WordPress. The vulnerability exists in all versions up to, and including, 9.3.8 due to insufficient input sanitization and output escaping. Successful exploitation requires the victim to be a logged-in administrator. This vulnerability can be triggered by tricking an administr [truncated]
