CVE-2020-37148 P5 FNIP-8x16A/FNIP-4xSH 1.0.20, 1.0.11 - Stored Cross-Site Scripting (XSS)
Attackers can inject malicious scripts via unsanitized input in P5 network devices, potentially hijacking user sessions or executing code in browsers.
- 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-2020-37148?
CVE-2020-37148 is a medium-severity cross-site scripting vulnerability in P5 FNIP-4xSH, published on 5 Feb 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
P5 FNIP-8x16A/FNIP-4xSH versions 1.0.20 and 1.0.11 suffer from a stored cross-site scripting vulnerability. Input passed to several GET/POST parameters is not properly sanitized before being returned to the user, allowing attackers to execute arbitrary HTML and script code in a user's browser session in the context of the affected site. This can be exploited by submitting crafted input to the label modification functionality, such as the 'lab4' parameter in config.html.
Weakness: CWE-79
Which versions are affected by CVE-2020-37148?
How do I fix CVE-2020-37148?
No fix has been published for CVE-2020-37148 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-2020-37148 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-37148 exists.
Sources
Also known as GHSA-6gjm-f2rv-4hwc.