CVE-2017-17094 Cross-site scripting in n/a
Attackers can execute arbitrary scripts in victim browsers via crafted URLs in WordPress RSS/Atom feeds due to improper enclosure restriction.
- 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-2017-17094?
CVE-2017-17094 is a medium-severity cross-site scripting vulnerability in Debian Debian Linux, published on 2 Dec 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
wp-includes/feed.php in WordPress before 4.9.1 does not properly restrict enclosures in RSS and Atom fields, which might allow attackers to conduct XSS attacks via a crafted URL.
Weakness: CWE-79
Which versions are affected by CVE-2017-17094?
It affects 2 products.
Products include Debian Debian Linux, Wordpress Wordpress.
How do I fix CVE-2017-17094?
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-2017-17094 being exploited?
There is no known exploitation of CVE-2017-17094 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2017-17094, GHSA-2h28-99xh-9cvg, UBUNTU-CVE-2017-17094.