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OpenAdvisories

Vendor

mailmunch

13 known vulnerabilities.

Products

MailChimp Forms by MailMunch 5 MailMunch – Grow your Email List 4 Constant Contact Forms by MailMunch 3 Mailmunch Forms for Mailchimp 1
All Critical High Medium Low Exploited only Public exploit

2 results · Clear filters · Feed

  • High 7.1
    CVE-2026-81783

    WordPress MailMunch – Grow your Email List plugin <= 3.2.5 - Broken Authentication vulnerability

    Subscriber Broken Authentication in MailMunch – Grow your Email List <= 3.2.5 versions.

    mailmunch MailMunch – Grow your Email List
  • High 8.1
    CVE-2026-7520

    MailChimp Forms by MailMunch <= 3.2.7 - Missing Authorization to Authenticated (Subscriber+) MailMunch Integration Takeover via 'sign_in' AJAX Action

    The MailChimp Forms by MailMunch plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the `sign_in()` and `sign_up()` AJAX handlers in all versions up to, and including, 3.2.7. This makes it possible for…

    mailmunch Mailmunch Forms for Mailchimp Web / CMS