Auth bypass in Imprintnext Riaxe Product Customizer

CVE-2026-3596

The Riaxe Product Customizer plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 2.1.2. The plugin registers an unauthenticated AJAX action ('wp_ajax_nopriv_install-imprint') that maps to the in…

Vulnerability class: Broken Access Control

EPSS: 0.001 (22.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-3596?
CVE-2026-3596 is a critical-severity vulnerability in Imprintnext Riaxe Product Customizer, classified under Missing Authorization. CVSS score: 9.8/10. Published 2026-04-16.
How severe is CVE-2026-3596?
Critical severity. CVSS v3 base score is 9.8 out of 10.