CVE-2025-4177 Flynax Bridge <= 2.2.0 - Unauthenticated Arbitrary User Deletion

What is CVE-2025-4177?

CVE-2025-4177 is a medium-severity missing authorization vulnerability in v1rustyle Flynax Bridge, published on 2 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-862

Which versions are affected by CVE-2025-4177?

It affects 1 product.

Products include Flynax Flynax Bridge.

How do I fix CVE-2025-4177?

No fix has been published for CVE-2025-4177 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-4177 being exploited?

There is no known exploitation of CVE-2025-4177 in the wild and no public exploit code.

Other vulnerabilities in v1rustyle Flynax Bridge

• CVE-2025-3603 Flynax Bridge <= 2.2.0 - Unauthenticated Privilege Escalation via Password Update Critical 9.8
• CVE-2025-3604 Flynax Bridge <= 2.2.0 - Unauthenticated Privilege Escalation via Account Takeover Critical 9.8
• CVE-2025-4179 Flynax Bridge <= 2.2.0 - Unauthenticated Limited Privilege Escalation High 7.3

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-25rc-v26v-6w83.