CVE-2021-3351 Cross-site scripting in n/a
Attackers can inject malicious scripts via the Device Name field in OpenPLC runtime, potentially compromising user sessions or executing code.
- 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-2021-3351?
CVE-2021-3351 is a medium-severity cross-site scripting vulnerability in n/a, published on 2 Aug 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
OpenPLC runtime V3 through 2016-03-14 allows stored XSS via the Device Name to the web server's Add New Device page.
Weakness: CWE-79
Which versions are affected by CVE-2021-3351?
It affects 1 product.
Products include Openplcproject Openplc.
How do I fix CVE-2021-3351?
No fix has been published for CVE-2021-3351 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-2021-3351 being exploited?
There is no known exploitation of CVE-2021-3351 in the wild and no public exploit code.
Sources
Also known as GHSA-j8m5-9cg8-j3mm.