Mailjet Email Marketing vulnerabilities
Plugin slug mailjet-for-wordpress · 2 known vulnerabilities · latest disclosed 2026-10-05 · WordPress.org page
Every listed vulnerability has a fix. Version 6.2.4 or later is not affected by any of them. If your site runs an older version, update it.
0 of 2 rated high or critical (CVSS 7 or more).
Known vulnerabilities in Mailjet Email Marketing
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 5.3 | <= 6.2.3 | 6.2.4 | CVE-2026-39791 | 2026-10-05 | Advisory |
| Medium 5.5 | <= 5.3 | 5.3.1 | none | 2023-01-03 | Advisory |
Check if a site is affected
Enter a site address to see which version of Mailjet Email Marketing and other plugins it runs, and whether they match a known vulnerability.
Questions
Is the Mailjet Email Marketing plugin safe to use?
All 2 known issues are fixed in current versions (6.2.4 or later). Keeping it updated is what matters.
How do I check which version of Mailjet Email Marketing 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.