CVE-2022-3840 Google Apps Login < 3.4.5 - Admin+ Stored XSS
Admin users can inject malicious scripts via unsanitized settings in the Google Apps Login plugin, enabling stored XSS attacks.
- 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-2022-3840?
CVE-2022-3840 is a medium-severity cross-site scripting vulnerability in Unknown Login for Google Apps, published on 26 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 Login for Google Apps WordPress plugin before 3.4.5 does not sanitise and escape 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).
Which versions are affected by CVE-2022-3840?
It affects 1 product.
Products include Wp-Glogin Login for Google Apps.
How do I fix CVE-2022-3840?
No fix has been published for CVE-2022-3840 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-2022-3840 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-3840 exists.
Sources
Also known as GHSA-fqm9-c867-4ccg.