CVE-2020-37240 Queue Management System 4.0.0 Stored XSS via Add User
Authenticated administrators can inject malicious scripts via user creation fields, leading to stored XSS execution when viewing the user list.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-37240?
CVE-2020-37240 is a medium-severity cross-site scripting vulnerability in Codekernel Queue Management System, published on 16 May 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Queue Management System 4.0.0 contains a stored cross-site scripting vulnerability that allows authenticated administrators to inject malicious scripts through user creation fields. Attackers can insert JavaScript payloads in the First Name, Last Name, and Email fields during user creation, which execute when viewing the User List page.
Weakness: CWE-79
Which versions are affected by CVE-2020-37240?
How do I fix CVE-2020-37240?
No fix has been published for CVE-2020-37240 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-2020-37240 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-37240 exists.
Sources
Also known as GHSA-5rmm-gx5h-674m.