What is CVE-2026-78137?

CVE-2026-78137 is a high-severity vulnerability in Storegrowth, classified under Missing Authorization. CVSS score: 7.5/10. Published 2026-08-27.

How severe is CVE-2026-78137?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Storegrowth

CVE-2026-78137

The StoreGrowth WordPress plugin before 2.1.2 does not validate a browser-supplied product price on two of its unauthenticated actions, allowing unauthenticated attackers to add a product to the cart at an arbitrary, attacker-chosen price that carries through to the checkout total when the BOGO offer feature is enabled.

Vulnerability class: Broken Access Control

EPSS: 0.002 (8.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Unknown Storegrowth

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-78137?: CVE-2026-78137 is a high-severity vulnerability in Storegrowth, classified under Missing Authorization. CVSS score: 7.5/10. Published 2026-08-27.
How severe is CVE-2026-78137?: High severity. CVSS v3 base score is 7.5 out of 10.