CVE-2019-16966 Cross-site scripting in n/a
Reflected XSS in FreePBX Contactmanager allows attackers to execute arbitrary scripts in the admin interface via a crafted URL.
- 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-2019-16966?
CVE-2019-16966 is a medium-severity cross-site scripting vulnerability in Sangoma Freepbx, published on 21 Oct 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
An issue was discovered in Contactmanager 13.x before 13.0.45.3, 14.x before 14.0.5.12, and 15.x before 15.0.8.21 for FreePBX 14.0.10.3. In the Contactmanager class (html\admin\modules\contactmanager\Contactmanager.class.php), an unsanitized group variable coming from the URL is reflected in HTML on 2 occasions, leading to XSS. It can be requested via a GET request to /admin/ajax.php?module=contactmanager.
Weakness: CWE-79
Which versions are affected by CVE-2019-16966?
It affects 2 products.
Products include Freepbx Contactmanager, Sangoma Freepbx.
How do I fix CVE-2019-16966?
No fix has been published for CVE-2019-16966 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-2019-16966 being exploited?
There is no known exploitation of CVE-2019-16966 in the wild and no public exploit code.
Sources
Also known as GHSA-vhvj-v5vw-v7x3.