CVE-2024-8758 Quiz and Survey Master (QSM) < 9.1.3 - Author+ Stored XSS
High-privilege users can inject malicious scripts into QSM settings, enabling stored XSS attacks in multisite environments where unfiltered HTML is disabled.
- 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-2024-8758?
CVE-2024-8758 is a medium-severity cross-site scripting vulnerability in Unknown Quiz and Survey Master (QSM), published on 23 Sep 2024. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The Quiz and Survey Master (QSM) WordPress plugin before 9.1.3 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).
Weakness: CWE-79
Which versions are affected by CVE-2024-8758?
It affects 1 product.
Products include Expresstech Quiz and Survey Master.
How do I fix CVE-2024-8758?
No fix has been published for CVE-2024-8758 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-2024-8758 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-8758 exists.
Other vulnerabilities in Unknown Quiz and Survey Master (QSM)
Sources
Also known as GHSA-wx2w-96rx-h8gc.