Vulnerability in Arraytics Wp Event Solution

CVE-2026-66451

Unauthenticated Broken Authentication in WP Event SOlution <= 4.1.9 versions.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (25.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-66451: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-66451?
CVE-2026-66451 is a medium-severity vulnerability in Arraytics Wp Event Solution, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 6.5/10. Published 2026-08-06.
How severe is CVE-2026-66451?
Medium severity. CVSS v3 base score is 6.5 out of 10.