CVE-2020-5842 Cross-site scripting in n/a
An attacker can inject malicious scripts via the username field during registration, which execute in the admin user management interface.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-5842?
CVE-2020-5842 is a medium-severity cross-site scripting vulnerability in n/a, published on 7 Jan 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Codoforum 4.8.3 allows XSS in the user registration page: via the username field to the index.php?u=/user/register URI. The payload is, for example, executed on the admin/index.php?page=users/manage page.
Weakness: CWE-79
Which versions are affected by CVE-2020-5842?
It affects 1 product.
Products include Codologic Codoforum.
How do I fix CVE-2020-5842?
No fix has been published for CVE-2020-5842 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-2020-5842 being exploited?
There is no known exploitation of CVE-2020-5842 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
Sources
Also known as GHSA-p258-72gh-7cxv.