Vulnerability Description
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.
CVSS Score
CRITICAL
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/mail-mint/tags/1.21.0/app/API/Actions
- https://plugins.trac.wordpress.org/browser/mail-mint/tags/1.21.0/app/Database/mo
- https://plugins.trac.wordpress.org/browser/mail-mint/tags/1.21.0/vendor/posthog/
- https://plugins.trac.wordpress.org/browser/mail-mint/trunk/app/API/Actions/Front
- https://plugins.trac.wordpress.org/browser/mail-mint/trunk/app/Database/models/C
- https://plugins.trac.wordpress.org/browser/mail-mint/trunk/vendor/posthog/postho
- https://plugins.trac.wordpress.org/changeset/3545065/
- https://plugins.trac.wordpress.org/changeset/3675453/
- https://www.wordfence.com/threat-intel/vulnerabilities/id/76c073d9-9572-43e4-82e
FAQ
What is CVE-2026-10196?
CVE-2026-10196 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 deseriali...
How severe is CVE-2026-10196?
CVE-2026-10196 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-10196?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.