CVE-2026-111232 Netgate pfSense CE 2.3.0 through 2.9.0 Stored XSS via Separator Color
Authenticated users can inject scripts via separator color fields, allowing attackers to execute actions in administrators' browsers with elevated privileges.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-111232?
CVE-2026-111232 is a medium-severity cross-site scripting vulnerability in Netgate pfSense CE, published on 15 Oct 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Netgate pfSense CE 2.3.0 through 2.9.0 contains a stored cross-site scripting vulnerability that allows authenticated users with Firewall: Rules or NAT: Port Forward privileges to inject scripts via the separator color field. Attackers can submit a crafted separator[] color value that display_separator() renders unencoded into class attributes, executing in administrators' browsers to perform WebGUI actions with their privileges.
Weakness: CWE-79
Which versions are affected by CVE-2026-111232?
It affects 1 product.
Products include Pfsense Pfsense.
How do I fix CVE-2026-111232?
No fix has been published for CVE-2026-111232 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-2026-111232 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111232 exists.
Other vulnerabilities in Netgate pfSense CE
Sources
Also known as GHSA-3vw7-4qg6-g75v.