CVE-2021-37573 Cross-site scripting in n/a
An attacker can inject malicious scripts into the 404 error page of TJWS, potentially executing code in the context of other users.
- 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-2021-37573?
CVE-2021-37573 is a medium-severity cross-site scripting vulnerability in n/a, published on 9 Aug 2021. 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
A reflected cross-site scripting (XSS) vulnerability in the web server TTiny Java Web Server and Servlet Container (TJWS) <=1.115 allows an adversary to inject malicious code on the server's "404 Page not Found" error page
Weakness: CWE-79
Which versions are affected by CVE-2021-37573?
It affects 1 product.
Products include Tiny Java Web Server Project Tiny Java Web Server.
How do I fix CVE-2021-37573?
No fix has been published for CVE-2021-37573 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-2021-37573 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-37573 exists.
Public exploit code: 1 Nuclei template.
Sources
Also known as GHSA-qf8h-rr3v-49vq.