What is CVE-2026-15240?

CVE-2026-15240 is a high-severity vulnerability in Customer Switching, classified under Improper Authentication. CVSS score: 7.5/10. Published 2026-07-30.

How severe is CVE-2026-15240?

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

Auth bypass in Customer Switching

CVE-2026-15240

The Customer Switching WordPress plugin before 2.1.3 does not securely bind an active user-switching session to the operator who initiated it, allowing a lower-privileged account that an operator is currently switched into to be resolved as that operator and to switch into any permitted account, including an administrator, resulting in full account takeover.

Vulnerability class: Broken Authentication

EPSS: 0.002 (9.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Unknown Customer Switching — versions 0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

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

Frequently asked questions

What is CVE-2026-15240?: CVE-2026-15240 is a high-severity vulnerability in Customer Switching, classified under Improper Authentication. CVSS score: 7.5/10. Published 2026-07-30.
How severe is CVE-2026-15240?: High severity. CVSS v3 base score is 7.5 out of 10.