What is CVE-2026-19256?

CVE-2026-19256 is a critical-severity vulnerability in All In One Login, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2026-11-05.

How severe is CVE-2026-19256?

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

Privilege escalation in All In One Login

CVE-2026-19256

The All In One Login WordPress plugin before 2.5.0 does not adequately restrict the number of attempts that can be made against the short numeric code used by its default-enabled passwordless email login, and does not feed those failed attempts into its own brute-force protection, allowing unauthenticated attackers to take over any account including administrators.

Vulnerability class: Privilege Escalation

Published 2026-11-05 · last modified 2026-11-06.

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.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

All In One Login

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

wpscan.com/vulnerability/576162c1-324f-4618-b167-c05e37f50c74/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-19256?: CVE-2026-19256 is a critical-severity vulnerability in All In One Login, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2026-11-05.
How severe is CVE-2026-19256?: Critical severity. CVSS v3 base score is 9.8 out of 10.