MailerLite – WooCommerce integration vulnerabilities
Plugin slug woo-mailerlite · 4 known vulnerabilities · latest disclosed 2026-01-20 · WordPress.org page
Every listed vulnerability has a fix. Version 3.1.4 or later is not affected by any of them. If your site runs an older version, update it.
1 of 4 rated high or critical (CVSS 7 or more).
Known vulnerabilities in MailerLite – WooCommerce integration
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| High 7.5 | <= 3.1.2 | 3.1.3 | CVE-2025-67945 | 2026-01-20 | Advisory |
| Medium 6.5 | <= 3.1.3 | 3.1.4 | CVE-2026-1000 | 2025-12-15 | Advisory |
| Medium 4.3 | <= 2.0.8 | 2.0.9 | CVE-2023-52227 | 2024-01-08 | Advisory |
| Medium 5.4 | <= 2.0.8 | 2.0.9 | CVE-2023-52223 | 2024-01-08 | Advisory |
Check if a site is affected
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Questions
Is the MailerLite – WooCommerce integration plugin safe to use?
All 4 known issues are fixed in current versions (3.1.4 or later). Keeping it updated is what matters.
How do I check which version of MailerLite – WooCommerce integration 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.