Auth bypass in Monsterinsights

CVE-2026-11366

The MonsterInsights WordPress plugin before 11.1.0 does not correctly validate the signature on one of its unauthenticated AJAX actions: when the MonsterInsights WordPress plugin before 11.1.0 is not connected to Google Analytics the HMA…

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

  • Unknown Monsterinsights — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-11366?
CVE-2026-11366 is a low-severity vulnerability in Monsterinsights, classified under Improper Authentication. CVSS score: 3.7/10. Published 2026-08-04.
How severe is CVE-2026-11366?
Low severity. CVSS v3 base score is 3.7 out of 10.