Connect Contact Form 7 to Mailchimp, Brevo, MailerLite, Klaviyo, GetResponse, EmailOctopus, Campaign Monitor & Moosend vulnerabilities
Plugin slug contact-form-7-mailchimp-extension · 4 known vulnerabilities · latest disclosed 2026-07-08 · WordPress.org page
Every listed vulnerability has a fix. Version 0.9.78.07 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 Connect Contact Form 7 to Mailchimp, Brevo, MailerLite, Klaviyo, GetResponse, EmailOctopus, Campaign Monitor & Moosend
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| High 7.2 | <= 0.9.78.06 | 0.9.78.07 | CVE-2026-15000 | 2026-07-08 | Advisory |
| Medium 4.3 | <= 0.9.54 | 0.9.69 | CVE-2025-68989 | 2025-12-21 | Advisory |
| Medium 4.3 | <= 0.5.73 | 0.9.19 | CVE-2024-33677 | 2024-04-26 | Advisory |
| Medium 5.4 | <= 0.5.70 | 0.9.19 | CVE-2024-22134 | 2024-01-08 | Advisory |
Check if a site is affected
Enter a site address to see which version of Connect Contact Form 7 to Mailchimp, Brevo, MailerLite, Klaviyo, GetResponse, EmailOctopus, Campaign Monitor & Moosend and other plugins it runs, and whether they match a known vulnerability.
Questions
Is the Connect Contact Form 7 to Mailchimp, Brevo, MailerLite, Klaviyo, GetResponse, EmailOctopus, Campaign Monitor & Moosend plugin safe to use?
All 4 known issues are fixed in current versions (0.9.78.07 or later). Keeping it updated is what matters.
How do I check which version of Connect Contact Form 7 to Mailchimp, Brevo, MailerLite, Klaviyo, GetResponse, EmailOctopus, Campaign Monitor & Moosend 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.