CVE-2022-4112 Quizlord <= 2.0 - Admin+ Stored XSS
Admin users can inject malicious scripts via unsanitized settings in the Quizlord plugin, bypassing unfiltered_html restrictions in multisite setups.
- 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-2022-4112?
CVE-2022-4112 is a medium-severity cross-site scripting vulnerability in Unknown Quizlord, published on 19 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 Quizlord WordPress plugin through 2.0 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-2022-4112?
It affects 1 product.
Products include Vms-Studio Quizlord.
How do I fix CVE-2022-4112?
No fix has been published for CVE-2022-4112 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-2022-4112 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-4112 exists.
Other vulnerabilities in Unknown Quizlord
Sources
Also known as GHSA-qf3x-gpg8-jw2q.