What is CVE-2026-14563?

CVE-2026-14563 is a critical-severity vulnerability, classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-09-11.

How severe is CVE-2026-14563?

Critical severity. CVSS v3 base score is 9.8 out of 10.

CVE-2026-14563

CVE-2026-14563

The advanced-customized-prompts WordPress plugin through 1.0.1 does not verify the password before issuing an authenticated session for a supplied email address in an unauthenticated action, allowing unauthenticated attackers to log in as any registered user, including administrators, or to create arbitrary new accounts.

Vulnerability class: Broken Authentication

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.

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

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

Frequently asked questions

What is CVE-2026-14563?: CVE-2026-14563 is a critical-severity vulnerability, classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-09-11.
How severe is CVE-2026-14563?: Critical severity. CVSS v3 base score is 9.8 out of 10.