CVE-2017-6817 Cross-site scripting in n/a
Authenticated attackers can execute arbitrary scripts via malicious YouTube URL embeds in WordPress, potentially compromising user sessions.
- 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-2017-6817?
CVE-2017-6817 is a medium-severity cross-site scripting vulnerability in Debian Debian Linux, published on 12 Mar 2017. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
In WordPress before 4.7.3 (wp-includes/embed.php), there is authenticated Cross-Site Scripting (XSS) in YouTube URL Embeds.
Weakness: CWE-79
Which versions are affected by CVE-2017-6817?
It affects 2 products.
Products include Debian Debian Linux, Wordpress Wordpress.
How do I fix CVE-2017-6817?
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-2017-6817 being exploited?
There is no known exploitation of CVE-2017-6817 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2017-6817, GHSA-668g-gr9x-p9m2, UBUNTU-CVE-2017-6817.