CVE-2022-3631 OAuth Client by DigitialPixies <= 1.1.0 - Admin+ Stored Cross-Site Scripting

Medium 4.8 Published Updated

Admin users can inject malicious scripts via unsanitized settings in the OAuth Client plugin, bypassing unfiltered_html restrictions in 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-2022-3631?

CVE-2022-3631 is a medium-severity cross-site scripting vulnerability in Unknown OAuth Client by DigitialPixies, published on 14 Nov 2022. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

The OAuth Client by DigitialPixies WordPress plugin through 1.1.0 does not sanitize and escapes some of its settings, 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).

Weakness: CWE-79

Which versions are affected by CVE-2022-3631?

It affects 1 product.

Products include Digitialpixies Oauth Client.

How do I fix CVE-2022-3631?

No fix has been published for CVE-2022-3631 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-2022-3631 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-3631 exists.

Sources

Also known as GHSA-9h87-xh4m-v7fp.

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