CRITICAL

CVE-2026-10196

Q: What is 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 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.

Q: Is CVE-2026-10196 actively exploited?

Active exploitation of CVE-2026-10196 has not been confirmed. Its EPSS score was 0.7% on 2026-09-28, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2026-10196?

CVE-2026-10196 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Mail Mint <= 1.31.0 - Unauthenticated PHP Object Injection in Arbitrary Form Fields

CVSS v3

9.8

CRITICAL

EPSS Score

0.7 %

exploit probability, as of 2026-09-28

CISA KEV

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published: 2026-09-05
Last Modified: 2026-09-05

Frequently asked questions

What is CVE-2026-10196?

Is CVE-2026-10196 actively exploited?

Active exploitation of CVE-2026-10196 has not been confirmed. Its EPSS score was 0.7% on 2026-09-28, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-10196?

CVE-2026-10196 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2026-10196 affecting your environment?

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