CVE-2019-16973 Cross-site scripting in n/a
Reflected XSS in FusionPBX allows attackers to inject malicious scripts via the query_string parameter, potentially leading to session hijacking or code execution.
- 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-2019-16973?
CVE-2019-16973 is a medium-severity cross-site scripting vulnerability in Fusionpbx Fusionpbx, published on 22 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
In FusionPBX up to 4.5.7, the file app\contacts\contact_edit.php uses an unsanitized "query_string" variable coming from the URL, which is reflected in HTML, leading to XSS.
Weakness: CWE-79
Which versions are affected by CVE-2019-16973?
It affects 1 product.
Products include Fusionpbx Fusionpbx.
How do I fix CVE-2019-16973?
No fix has been published for CVE-2019-16973 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-2019-16973 being exploited?
There is no known exploitation of CVE-2019-16973 in the wild and no public exploit code.
Other vulnerabilities in Fusionpbx Fusionpbx
Sources
Also known as GHSA-cpw5-q2jj-vcm3.