Auth bypass in Flynax Bridge
CVE-2025-4177
The Flynax Bridge plugin for WordPress is vulnerable to unauthorized loss of data due to a missing capability check on the deleteUser() function in all versions up to, and including, 2.2.0. This makes it possible for unauthenticated attackers to delete arbitrary users.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (27.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.000
Affected products
- Flynax Bridge
- V1rustyle Flynax Bridge — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/dcb33d02-d384-4dff-91e1-c49e8… (Third Party Advisory)
- plugins.trac.wordpress.org/browser/flynax-bridge/trunk/src/API.php (Technical Description, Product)
- plugins.trac.wordpress.org/changeset/3306501/
Frequently asked questions
- What is CVE-2025-4177?
- CVE-2025-4177 is a medium-severity vulnerability in Flynax Bridge, classified under Missing Authorization. CVSS score: 5.3/10. Published 2025-05-02.
- How severe is CVE-2025-4177?
- Medium severity. CVSS v3 base score is 5.3 out of 10.