CVE-2021-43690 Cross-site scripting in n/a
An attacker can inject malicious scripts via socket input in YurunProxy, potentially leading to code execution in the client context.
- 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-2021-43690?
CVE-2021-43690 is a medium-severity cross-site scripting vulnerability in n/a, published on 1 Dec 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
YurunProxy v0.01 is affected by a Cross Site Scripting (XSS) vulnerability in src/Client.php. The exit function will terminate the script and print a message which have values from the socket_read.
Weakness: CWE-79
Which versions are affected by CVE-2021-43690?
It affects 1 product.
Products include Yurunproxy Project Yurunproxy.
How do I fix CVE-2021-43690?
No fix has been published for CVE-2021-43690 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-2021-43690 being exploited?
There is no known exploitation of CVE-2021-43690 in the wild and no public exploit code.
Sources
Also known as GHSA-qhr5-fxfp-xr69.