Ultimate WP Mail vulnerabilities
Plugin slug ultimate-wp-mail · 6 known vulnerabilities · latest disclosed 2025-09-22 · WordPress.org page
Every listed vulnerability has a fix. Version 1.4.0 or later is not affected by any of them. If your site runs an older version, update it.
1 of 6 rated high or critical (CVSS 7 or more).
Known vulnerabilities in Ultimate WP Mail
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 6.4 | <= 1.3.8 | 1.3.9 | CVE-2025-53454 | 2025-09-22 | Advisory |
| High 7.5 | 1.0.17 to 1.3.6 | 1.3.7 | CVE-2025-6993 | 2025-07-15 | Advisory |
| Medium 4.3 | <= 1.3.5 | 1.3.6 | CVE-2025-49288 | 2025-06-05 | Advisory |
| Medium 4.3 | <= 1.3.4 | 1.3.5 | CVE-2025-47466 | 2025-05-07 | Advisory |
| Medium 6.5 | <= 1.3.4 | 1.3.5 | CVE-2025-47490 | 2025-05-07 | Advisory |
| Medium 6.1 | <= 1.3.13 | 1.4.0 | CVE-2025-32694 | 2025-04-09 | Advisory |
Check if a site is affected
Enter a site address to see which version of Ultimate WP Mail and other plugins it runs, and whether they match a known vulnerability.
Questions
Is the Ultimate WP Mail plugin safe to use?
All 6 known issues are fixed in current versions (1.4.0 or later). Keeping it updated is what matters.
How do I check which version of Ultimate WP Mail 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.