Newsletter – Send awesome emails from WordPress vulnerabilities
Plugin slug newsletter · 24 known vulnerabilities · latest disclosed 2026-10-01 · WordPress.org page
Every listed vulnerability has a fix. Version 9.4.1 or later is not affected by any of them. If your site runs an older version, update it.
4 of 24 rated high or critical (CVSS 7 or more).
Known vulnerabilities in Newsletter – Send awesome emails from WordPress
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| High 7.2 | <= 9.4.0 | 9.4.1 | CVE-2026-96566 | 2026-10-01 | Advisory |
| Medium 5.3 | <= 9.3.9 | 9.4.0 | CVE-2026-92537 | 2026-09-30 | Advisory |
| Medium 6.1 | <= 9.3.8 | 9.3.9 | CVE-2026-90981 | 2026-09-17 | Advisory |
| High 7.2 | <= 9.3.3 | 9.3.4 | CVE-2026-66596 | 2026-08-19 | Advisory |
| Medium 4.3 | <= 9.1.0 | 9.1.1 | CVE-2026-1051 | 2026-01-19 | Advisory |
| Medium 4.9 | <= 9.0.9 | 9.1.0 | CVE-2025-67999 | 2025-12-15 | Advisory |
| Medium 5.5 | <= 8.8.4 | 8.8.5 | CVE-2025-3581 | 2025-05-19 | Advisory |
| Medium 4.4 | <= 8.8.4 | 8.8.5 | CVE-2025-3582 | 2025-05-19 | Advisory |
| Medium 4.4 | <= 8.8.1 | 8.8.2 | CVE-2025-3584 | 2025-05-13 | Advisory |
| Medium 4.4 | <= 8.7.0 | 8.7.1 | CVE-2025-3583 | 2025-04-14 | Advisory |
| Medium 6.4 | <= 8.3.4 | 8.3.5 | CVE-2024-5317 | 2024-06-04 | Advisory |
| Medium 4.3 | <= 8.0.6 | 8.0.7 | CVE-2024-31434 | 2024-04-10 | Advisory |
| Medium 5.3 | <= 8.2.0 | 8.2.1 | CVE-2024-30522 | 2024-03-28 | Advisory |
| Medium 4.7 | <= 8.0.6 | 8.0.7 | none | 2024-01-10 | Advisory |
| Medium 6.4 | <= 7.8.9 | 7.9.0 | CVE-2023-4772 | 2023-08-17 | Advisory |
| Medium 4.7 | <= 7.6.8 | 7.6.9 | CVE-2023-27922 | 2023-03-27 | Advisory |
| Medium 5.5 | < 7.4.6 | 7.4.6 | CVE-2022-1889 | 2022-05-30 | Advisory |
| Medium 6.1 | <= 7.4.4 | 7.4.5 | CVE-2022-1756 | 2022-05-23 | Advisory |
| Medium 6.5 | < 6.8.2 | 6.8.2 | CVE-2020-35933 | 2020-08-03 | Advisory |
| High 7.5 | < 6.8.2 | 6.8.2 | CVE-2020-35932 | 2020-08-02 | Advisory |
| High 8.3 | <= 6.7.6 | 6.7.7 | none | 2020-07-12 | Advisory |
| Medium 5.5 | <= 6.5.3 | 6.5.4 | none | 2020-03-16 | Advisory |
| Medium 4.3 | <= 3.8.2 | 3.8.3 | none | 2015-03-30 | Advisory |
| Medium 6.1 | <= 3.2.6 | 3.2.7 | none | 2013-05-14 | Advisory |
Check if a site is affected
Enter a site address to see which version of Newsletter – Send awesome emails from WordPress and other plugins it runs, and whether they match a known vulnerability.
Questions
Is the Newsletter – Send awesome emails from WordPress plugin safe to use?
All 24 known issues are fixed in current versions (9.4.1 or later). Keeping it updated is what matters.
How do I check which version of Newsletter – Send awesome emails from WordPress my site runs?
In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.
How do I fix a vulnerable plugin?
Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.