St Newsletter Plugin Security Vulnerabilities

CVE-2008-0683

SQL injection vulnerability in shiftthis-preview.php in the ShiftThis Newsletter (st_newsletter) plugin for WordPress allows remote attackers to execute arbitrary SQL commands via the newsletter parameter.

CVE-2022-1756

The Newsletter WordPress plugin before 7.4.5 does not sanitize and escape the $_SERVER['REQUEST_URI'] before echoing it back in admin pages. Although this uses addslashes, and most modern browsers automatically URLEncode requests, this is still vulnerable to Reflected XSS in older browsers such as ...

CVE-2022-1889

The Newsletter WordPress plugin before 7.4.6 does not escape and sanitise the preheader_text setting, which could allow high privilege users to perform Stored Cross-Site Scripting attacks when the unfilteredhtml is disallowed