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HIGH

CVE-2026-76801

CVSS v3

8.8

HIGH

EPSS Score

0.5 %

exploit probability

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

The FireBox – WooCommerce Popup Builder, Exit Intent Popup, Email Optin & Cart Abandonment plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 3.1.10 via the value function. This is due to a trivially bypassable regex blacklist in Executer::allowedToRun() that fails to block WordPress core functions such as wp_insert_user, update_option, and file_put_contents, combined with no sanitization of PHP condition rule values stored via the firebox_meta REST

Technical details

CVSS v3 Vector
3.1
Published
2026-09-09
Last Modified
2026-09-09

Frequently asked questions

What is CVE-2026-76801?

The FireBox – WooCommerce Popup Builder, Exit Intent Popup, Email Optin & Cart Abandonment plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 3.1.10 via the value function. This is due to a trivially bypassable regex blacklist in Executer::allowedToRun() that fails to block WordPress core functions such as wp_insert_user, update_option, and file_put_contents, combined with no sanitization of PHP condition rule values stored via the firebox_meta REST

Is CVE-2026-76801 actively exploited?

Active exploitation of CVE-2026-76801 has not been confirmed. The EPSS score is 0.5%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-76801?

CVE-2026-76801 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string 3.1.

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