# properfraction MailOptin – Popup, Optin Forms & Email Newsletters for Mailchimp, HubSpot, AWeber Etc..

Every CVE that names properfraction MailOptin – Popup, Optin Forms & Email Newsletters for Mailchimp, HubSpot, AWeber Etc. among its affected products, newest first. Vendors and products are as the CNA wrote them.

## Records, newest first

- [MailOptin <= 1.2.78.6 - Unauthenticated Privilege Escalation to 'form_custom_field_mappings' Parameter](https://agentprime.io/advisories/CVE-2026-109515.md)
  `CVE-2026-109515` · CVE record: properfraction MailOptin – Popup, Optin Forms & Email Newsletters for Mailchimp, HubSpot, AWeber Etc. · CVSS 9.8 Critical · Critical (CVSS 9+) · Not analysed yet · Published 16 Oct 2026 · Tags: Privilege escalation
- [Popup, Optin Form & Email Newsletters for Mailchimp, HubSpot, AWeber – MailOptin <= 1.2.70.3 - Authenticated (Contributor+) Stored Cross-Site Scripting](https://agentprime.io/advisories/CVE-2024-8628.md)
  `CVE-2024-8628` · CVE record: properfraction MailOptin – Popup, Optin Forms & Email Newsletters for Mailchimp, HubSpot, AWeber Etc. · CVSS 5.4 Medium · Not analysed yet · Published 24 Sept 2024 · Tags: Cross-site scripting (XSS)

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