CVE-2022-3892 WP OAuth Server < 4.2.2 - Admin+ Stored XSS
Admins can inject malicious scripts via Client IDs in WP OAuth Server, leading to stored XSS attacks even in restricted multisite environments.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-3892?
CVE-2022-3892 is a medium-severity cross-site scripting vulnerability in Unknown WP OAuth Server (OAuth Authentication), published on 5 Dec 2022. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The WP OAuth Server (OAuth Authentication) WordPress plugin before 4.2.2 does not sanitize and escape Client IDs, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)
Which versions are affected by CVE-2022-3892?
It affects 1 product.
Products include Wp-Oauth Wp Oauth Server.
How do I fix CVE-2022-3892?
No fix has been published for CVE-2022-3892 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2022-3892 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-3892 exists.
Other vulnerabilities in Unknown WP OAuth Server (OAuth Authentication)
Sources
Also known as GHSA-mqjq-qch6-x888.