How severe is CVE-2026-5200?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Acyba Acymailing – An Ultimate Newsletter Plugin And Marketing Automation Solution For Wordpress

CVE-2026-5200

The AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress plugin for WordPress is vulnerable to Missing Authorization in versions up to, and including, 10.8.2. This is due to the plugin not properly ver…

Vulnerability class: Broken Access Control

EPSS: 0.000 (13.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Acyba Acymailing – An Ultimate Newsletter Plugin And Marketing Automation Solution For Wordpress — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

Frequently asked questions

What is CVE-2026-5200?: CVE-2026-5200 is a high-severity vulnerability in Acyba Acymailing – An Ultimate Newsletter Plugin And Marketing Automation Solution For Wordpress, classified under Missing Authorization. CVSS score: 8.8/10. Published 2026-05-20.
How severe is CVE-2026-5200?: High severity. CVSS v3 base score is 8.8 out of 10.