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Mailjet Email Marketing vulnerabilities
Mailjet Email Marketing has 1 known vulnerability in this database. The most recent published record is dated 6 Oct 2026.
- Known vulnerabilities
- 1
- Active installs
- 10,000+
- Latest version
- 6.2.3
- Last updated
- 2 Sep 2026
- Most recent
- 6 Oct 2026
No fixed version has been published yet, so consider disabling, removing or replacing the plugin until a safe release is available.
Find it in your WordPress dashboard under Plugins. Severity is based on the CVSS score published with the CVE where one is available.
| Vulnerability | Severity | Affected | Fix | Published |
|---|---|---|---|---|
| Sensitive data exposure CVE-2026-39791 | Medium 5.3 | Up to 6.2.3 | No fixed version yet | 1 d ago |
Read the published descriptions
- CVE-2026-39791, 6 Oct 2026
- Unauthenticated Sensitive Data Exposure in Mailjet Email Marketing <= 6.2.3 versions. CVE record
What to do if you run Mailjet Email Marketing
If you run Mailjet Email Marketing, open WordPress and check the installed version in Plugins. Compare it with the affected versions in the vulnerability record. If a fixed version is available, take a current backup and update to that version or the latest supported release.
If no fixed version exists, consider disabling and removing the plugin or replacing it with a maintained alternative. After dealing with the affected software, check administrator users, unexpected file changes, redirects, unfamiliar pages and security logs for signs that the site may already have been altered.
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