XSS in Themehigh Checkout Field Editor (Checkout Manager) For Woocommerce

CVE-2026-3231

The Checkout Field Editor (Checkout Manager) for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via custom radio and checkboxgroup field values submitted through the WooCommerce Block Checkout Store API in al…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (35.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-3231?
CVE-2026-3231 is a high-severity vulnerability in Themehigh Checkout Field Editor (Checkout Manager) For Woocommerce, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-03-11.
How severe is CVE-2026-3231?
High severity. CVSS v3 base score is 7.2 out of 10.