CVE-2023-31434 Cross-site scripting in n/a
Authenticated attackers can inject HTML and XSS payloads via user profile and direct link parameters in evasys, potentially leading to code execution or account takeover.
- 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-2023-31434?
CVE-2023-31434 is a medium-severity cross-site scripting vulnerability in n/a, published on 2 May 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The parameters nutzer_titel, nutzer_vn, and nutzer_nn in the user profile, and langID and ONLINEID in direct links, in evasys before 8.2 Build 2286 and 9.x before 9.0 Build 2401 do not validate input, which allows authenticated attackers to inject HTML Code and XSS payloads in multiple locations.
Weakness: CWE-79
Which versions are affected by CVE-2023-31434?
It affects 1 product.
Products include Evasys Evasys.
How do I fix CVE-2023-31434?
No fix has been published for CVE-2023-31434 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-2023-31434 being exploited?
There is no known exploitation of CVE-2023-31434 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-5fv5-gvx6-w9hh.