Simple Newsletter Plugin – Noptin

Vulnerabilities 4Slug newsletter-optin-boxLatest version 4.2.6WordPress.org →

Minimum safe version

4.0.0

Update to 4.0.0 or later to address 4 fixable vulnerabilities

Latest available4.2.6 ✓

Medium 5.9

2025-06-17< 4.0.0

CVE-2025-49871

Medium 5.3

2024-11-01< 3.4.3

CVE-2024-37456

Medium 6.1

2023-11-07< 1.10.0

CVE-2022-46803

Medium 6.1

2022-02-14< 1.6.5

CVE-2021-25033