How severe is CVE-2026-15103?

High severity. CVSS v3 base score is 8.8 out of 10.

Privilege escalation in Getwpfunnels Wpfunnels – Funnel Builder For Woocommerce With Checkout & One Click Upsell

CVE-2026-15103

The WPFunnels – Funnel Builder for WooCommerce with Checkout & One Click Upsell plugin for WordPress is vulnerable to Privilege Escalation via arbitrary option update in all versions up to, and including, 3.12.8. This is due to the `update…

Vulnerability class: Privilege Escalation

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Getwpfunnels Wpfunnels – Funnel Builder For Woocommerce With Checkout & One Click Upsell — versions 0

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

Frequently asked questions

What is CVE-2026-15103?: CVE-2026-15103 is a high-severity vulnerability in Getwpfunnels Wpfunnels – Funnel Builder For Woocommerce With Checkout & One Click Upsell, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2026-07-16.
How severe is CVE-2026-15103?: High severity. CVSS v3 base score is 8.8 out of 10.