Auth bypass in Wp Fusion Lite

CVE-2026-90974

The WP Fusion Lite WordPress plugin before 3.48.0 does not require authentication on a settings handler that runs during admin initialization, allowing unauthenticated users to overwrite the site's CRM integration endpoint and credentials, after which synced user data is delivered to an attacker-chosen host.

Vulnerability class: Broken Access Control

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

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

  • Wp Fusion Lite

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-90974?
CVE-2026-90974 is a medium-severity vulnerability in Wp Fusion Lite, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-10-01.
How severe is CVE-2026-90974?
Medium severity. CVSS v3 base score is 6.5 out of 10.