CVE-2022-3894 WP OAuth Server < 4.2.5 - Arbitrary Post Deletion via CSRF

Q: What is CVE-2022-3894?

CVE-2022-3894 is a medium-severity vulnerability in Unknown WP OAuth Server (OAuth Authentication), published on 20 Mar 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Q: Is CVE-2022-3894 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-3894 exists.

Q: How do I fix CVE-2022-3894?

No fix has been published for CVE-2022-3894 yet. Limit exposure of the affected software until one is available.

Medium 4.3 Published 20 Mar 2023 Updated 26 Feb 2025

Attackers can trick logged-in admins into deleting arbitrary clients and posts via CSRF in the WP OAuth Server plugin.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2022-3894?

CVE-2022-3894 is a medium-severity vulnerability in Unknown WP OAuth Server (OAuth Authentication), published on 20 Mar 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The WP OAuth Server (OAuth Authentication) WordPress plugin before 4.2.5 does not have CSRF check when deleting a client, and does not ensure that the object to be deleted is actually a client, which could allow attackers to make a logged in admin delete arbitrary client and post via a CSRF attack.

Which versions are affected by CVE-2022-3894?

It affects 1 product.

Products include Dash10 Oauth Server.

How do I fix CVE-2022-3894?

No fix has been published for CVE-2022-3894 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-3894 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-3894 exists.

Sources

Also known as GHSA-r88p-4gjh-7prw.