CVE-2019-12347 Cross-site scripting in n/a
Attackers can inject malicious scripts into pfSense firewall fields, potentially executing code or hijacking admin sessions.
- 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-2019-12347?
CVE-2019-12347 is a medium-severity cross-site scripting vulnerability in n/a, published on 29 May 2019. 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
In pfSense 2.4.4-p3, a stored XSS vulnerability occurs when attackers inject a payload into the Name or Description field via an acme_accountkeys_edit.php action. The vulnerability occurs due to input validation errors.
Weakness: CWE-79
Which versions are affected by CVE-2019-12347?
It affects 1 product.
Products include Netgate Pfsense.
How do I fix CVE-2019-12347?
No fix has been published for CVE-2019-12347 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-2019-12347 being exploited?
There is no known exploitation of CVE-2019-12347 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as GHSA-mw9h-vpc6-gfx3.