CVE-2026-10196
Mail Mint <= 1.31.0 - Unauthenticated PHP Object Injection in Arbitrary Form Fields
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-502 |
| Vendor | getwpfunnels |
| Product | mail mint – email marketing, newsletter, email automation & woocommerce emails |
| Published | Sep 5, 2026 |
| Last Updated | Sep 7, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
getwpfunnels / Mail Mint – Email Marketing, Newsletter, Email Automation & WooCommerce Emails
0 ≤ 1.31.0
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/76c073d9-9572-43e4-82eb-49adf678535b?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/mail-mint/trunk/vendor/posthog/posthog-php/lib/Consumer/ForkCurl.php#L96 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/mail-mint/tags/1.21.0/vendor/posthog/posthog-php/lib/Consumer/ForkCurl.php#L96 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/mail-mint/trunk/app/Database/models/ContactModel.php#L460 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/mail-mint/tags/1.21.0/app/Database/models/ContactModel.php#L460 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/mail-mint/trunk/app/API/Actions/Frontend/FormAction.php#L59 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/mail-mint/tags/1.21.0/app/API/Actions/Frontend/FormAction.php#L59 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3545065/ plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3675453/
Credits
maru