CVE-2025-3604: Flynax Bridge <= 2.2.0 - Unauthenticated Privilege Escalation via Account Takeover

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-04-24 · updated 2026-06-17
Weakness: CWE-862

Description

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 details like email. This makes it possible for unauthenticated attackers to change arbitrary user's email addresses, including administrators, and leverage that to reset the user's password and gain access to their account.

Affected products

v1rustyle Flynax Bridge: through 2.2.0

References

https://plugins.trac.wordpress.org/browser/flynax-bridge/trunk/request.php
https://plugins.trac.wordpress.org/changeset/3306501/
https://www.wordfence.com/threat-intel/vulnerabilities/id/935caa43-4c75-47ad-a631-63988e21f834?source=cve

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