CRITICAL 9.8 NVD
CVE-2026-10196
The Mail Mint – Email Marketing, Newsletter, Email Automation & WooCommerce Emails plugin for WordPress is vulnerable to PHP Object Injection in all versions up
The Mail Mint – Email Marketing, Newsletter, Email Automation & WooCommerce Emails plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.31.0 via deserialization of untrusted input in the 'handle_form_submission' function. This makes it possible for unauthenticated attackers to inject a PHP Object. The additional presence of a POP chain allows attackers to execute code on the server. The vulnerability was partially patched in version 1.23.1.
References
- https://plugins.trac.wordpress.org/browser/mail-mint/tags/1.21.0/app/API/Actions/Frontend/
- https://plugins.trac.wordpress.org/browser/mail-mint/tags/1.21.0/app/Database/models/Conta
- https://plugins.trac.wordpress.org/browser/mail-mint/tags/1.21.0/vendor/posthog/posthog-ph
- https://plugins.trac.wordpress.org/browser/mail-mint/trunk/app/API/Actions/Frontend/FormAc
- https://plugins.trac.wordpress.org/browser/mail-mint/trunk/app/Database/models/ContactMode
This critical severity vulnerability with a CVSS score of 9.8 was published on 2026-09-05 via NVD.
Risk Timeline
CVE Disclosed2026-09-05 · -1 days ago
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