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Known vulnerabilities in Unknown Newsletter

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CVE Summary Score Published
CVE-2026-86824 The Newsletter WordPress plugin before 9.3.8 does not generate its email tracking signing key with sufficient entropy… 4.8 Medium Sep 17, 2026
CVE-2026-86823 The Newsletter WordPress plugin before 9.3.7 does not validate the destination of the redirect performed after a public… 5.3 Medium Sep 16, 2026
CVE-2025-3582 The Newsletter WordPress plugin before 8.85 does not sanitise and escape some of its Form settings, which could allow… 4.8 Medium Jun 9, 2025
CVE-2025-3581 The Newsletter WordPress plugin before 8.8.5 does not validate and escape some of its Widget options before… 4.8 Medium Jun 9, 2025
CVE-2025-3584 The Newsletter WordPress plugin before 8.8.2 does not sanitise and escape some of its Subscription settings, which… 4.8 Medium Jun 3, 2025
CVE-2025-3583 The Newsletter WordPress plugin before 8.7.1 does not sanitise and escape some of its settings, which could allow… 3.5 Low May 5, 2025

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