CVE-2019-8953 Cross-site scripting in n/a
Cross-site scripting in pfSense HAProxy package allows attackers to inject scripts via description or ACL parameters, potentially compromising user 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-2019-8953?
CVE-2019-8953 is a medium-severity cross-site scripting vulnerability in n/a, published on 20 Feb 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
The HAProxy package before 0.59_16 for pfSense has XSS via the desc (aka Description) or table_actionsaclN parameter, related to haproxy_listeners.php and haproxy_listeners_edit.php.
Weakness: CWE-79
Which versions are affected by CVE-2019-8953?
It affects 1 product.
Products include Netgate Haproxy.
How do I fix CVE-2019-8953?
No fix has been published for CVE-2019-8953 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-2019-8953 being exploited?
There is no known exploitation of CVE-2019-8953 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Sources
Also known as GHSA-fvff-74xh-67ch.