Auth bypass in Flynax Flynax_bridge

CVE-2025-3604

The Flynax Bridge plugin for WordPress is vulnerable to privilege escalation via account takeover in all versions up to, and including, 2.2.0. This is due to the plugin not properly validating a user's identity prior to updating their deta…

Vulnerability class: Broken Access Control

EPSS: 0.006 (44.5th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-3604?
CVE-2025-3604 is a critical-severity vulnerability in Flynax Flynax_bridge, classified under Missing Authorization. CVSS score: 9.8/10. Published 2025-04-24.
How severe is CVE-2025-3604?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-3604 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.