CVE-2026-38961 Cross-site scripting in n/a
Authenticated attackers can inject JavaScript via RSS feed titles, executing code in other users' browsers on the pfSense dashboard.
- 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-2026-38961?
CVE-2026-38961 is a medium-severity cross-site scripting vulnerability in n/a, published on 4 Sep 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
Cross-Site Scripting (XSS) vulnerability in the RSS Widget of Netgate pfSense Plus (versions 26.03, 25.11.1) and pfSense CE (version 2.8.1) allows remote authenticated attackers to inject arbitrary JavaScript via malicious content in an RSS feed title. The injected script executes in the browser of any authenticated user who views the dashboard, due to insufficient sanitization of feed title data before rendering in the widget.
Weakness: CWE-79
Which versions are affected by CVE-2026-38961?
How do I fix CVE-2026-38961?
No fix has been published for CVE-2026-38961 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-2026-38961 being exploited?
There is no known exploitation of CVE-2026-38961 in the wild and no public exploit code.
Sources
Also known as GHSA-3pq2-4qp4-w69m.