Vulnerabilities / MailOptin – Popup, Optin Forms & Email Newsletters for Mailchimp, HubSpot, AWeber Etc.
MailOptin – Popup, Optin Forms & Email Newsletters for Mailchimp, HubSpot, AWeber Etc. vulnerabilities
Advisories WPSec published for MailOptin – Popup, Optin Forms & Email Newsletters for Mailchimp, HubSpot, AWeber Etc.. Other sources may list more. Its attack surface: MailOptin – Popup, Optin Forms & Email Newsletters for Mailchimp, HubSpot, AWeber Etc. on WPSec AttackSurface.
| Published | ID | Vulnerability | Severity | Fixed in |
|---|---|---|---|---|
| 2026-10-14 | WPSEC-2026-0957 | MailOptin – Popup, Optin Forms & Email Newsletters for Mailchimp, HubSpot, AWeber Etc. <= 1.2.78.6 - Unauthenticated Privilege Escalation via Account Takeover through Optin Form Field Mapping Parameter | High 8.1 | 1.2.78.7 |
| 2026-10-06 | WPSEC-2026-0461 | MailOptin – Popup, Optin Forms & Email Newsletters for Mailchimp, HubSpot, AWeber Etc. <= 1.2.78.4 - Unauthenticated Admin Email Flooding via subscribe_to_email_list | Medium 5.3 | 1.2.78.5 |
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