How severe is CVE-2026-13440?

High severity. CVSS v3 base score is 7.2 out of 10.

XSS in Wedevs Storegrowth – Upsell, Bogo, Quick View, Direct Checkout & Side Cart For Woocommerce

CVE-2026-13440

The StoreGrowth: Smart Sales Booster for WooCommerce | BOGO, Upsells, Direct Checkout, Quick View, Side Cart plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'message_popup' parameter in all versions up to, and inc…

Vulnerability class: XSS (Cross-Site Scripting)

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

Wedevs Storegrowth – Upsell, Bogo, Quick View, Direct Checkout & Side Cart For Woocommerce — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-13440?: CVE-2026-13440 is a high-severity vulnerability in Wedevs Storegrowth – Upsell, Bogo, Quick View, Direct Checkout & Side Cart For Woocommerce, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-07-28.
How severe is CVE-2026-13440?: High severity. CVSS v3 base score is 7.2 out of 10.