WordPress newsletter has 11 known advisories in the phpwarden feed. Feed 2026.10.29.1, updated 2026-10-28.
| CVE | Title | Severity | CVSS | Affected | Fixed in |
|---|---|---|---|---|---|
| CVE-2020-35932 | Insecure Deserialization in the Newsletter plugin before 6.8.2 for WordPress allows authenticated remote attackers with minimal privileges ( | high | 7.5 | <6.8.2 | 6.8.2 |
| 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. | medium | 6.1 | <7.4.5 | 7.4.5 |
| CVE-2020-35933 | A Reflected Authenticated Cross-Site Scripting (XSS) vulnerability in the Newsletter plugin before 6.8.2 for WordPress allows remote attacke | medium | 6.5 | <6.8.2 | 6.8.2 |
| 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 | medium | 4.8 | <7.4.6 | 7.4.6 |
| CVE-2023-4772 | The Newsletter plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'newsletter_form' shortcode in versions up to, and | medium | 6.4 | <=7.8.9 | – |
| CVE-2024-5674 | The Newsletter - API v1 and v2 addon plugin for WordPress is vulnerable to unauthorized subscribers management due to PHP type juggling issu | medium | 6.5 | <2.4.6 | 2.4.6 |
| CVE-2025-3583 | The Newsletter WordPress plugin before 8.7.1 does not sanitise and escape some of its settings, which could allow high privilege users such | medium | 4.8 | <8.7.1 | 8.7.1 |
| CVE-2024-5317 | The Newsletter plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'np1' parameter in all versions up to, and includin | medium | 6.4 | <8.3.5 | 8.3.5 |
| CVE-2025-3581 | The Newsletter WordPress plugin before 8.8.5 does not validate and escape some of its Widget options before outputting them back in a page/ | medium | 4.8 | <8.8.5 | 8.8.5 |
| CVE-2025-3582 | The Newsletter WordPress plugin before 8.85 does not sanitise and escape some of its Form settings, which could allow high privilege users | medium | 4.8 | <8.8.5 | 8.8.5 |
| CVE-2025-3584 | The Newsletter WordPress plugin before 8.8.2 does not sanitise and escape some of its Subscription settings, which could allow high privile | medium | 4.8 | <8.8.2 | 8.8.2 |
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