CVE-2019-16223 Cross-site scripting in n/a
Authenticated users can inject malicious scripts into post previews, potentially leading to code execution in the context of other users.
- 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
- Available
What is CVE-2019-16223?
CVE-2019-16223 is a medium-severity cross-site scripting vulnerability in Debian Debian Linux, published on 11 Sep 2019. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
WordPress before 5.2.3 allows XSS in post previews by authenticated users.
Weakness: CWE-79
Which versions are affected by CVE-2019-16223?
It affects 2 products.
Products include Debian Debian Linux, Wordpress Wordpress.
How do I fix CVE-2019-16223?
Upgrade to a fixed version.
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-2019-16223 being exploited?
There is no known exploitation of CVE-2019-16223 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2019-16223, GHSA-3mv4-59rc-qvqm, UBUNTU-CVE-2019-16223.