CVE-2020-11457 Cross-site scripting in n/a
Stored XSS in pfSense WebGUI allows attackers to execute scripts via user full name, potentially leading to account takeover.
- 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-2020-11457?
CVE-2020-11457 is a medium-severity cross-site scripting vulnerability in n/a, published on 1 Apr 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
pfSense before 2.4.5 has stored XSS in system_usermanager_addprivs.php in the WebGUI via the descr parameter (aka full name) of a user.
Weakness: CWE-79
Which versions are affected by CVE-2020-11457?
It affects 1 product.
Products include Netgate Pfsense.
How do I fix CVE-2020-11457?
No fix has been published for CVE-2020-11457 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-2020-11457 being exploited?
There is no known exploitation of CVE-2020-11457 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-wjx8-w8hq-76c5.