CVE-2016-1564 Cross-site scripting in n/a
Remote attackers can inject arbitrary web script or HTML via stylesheet or template names in the WordPress customizer, potentially leading to 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
- Available
What is CVE-2016-1564?
CVE-2016-1564 is a medium-severity cross-site scripting vulnerability in Wordpress Wordpress, published on 22 May 2016. 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
Multiple cross-site scripting (XSS) vulnerabilities in wp-includes/class-wp-theme.php in WordPress before 4.4.1 allow remote attackers to inject arbitrary web script or HTML via a (1) stylesheet name or (2) template name to wp-admin/customize.php.
Weakness: CWE-79
Which versions are affected by CVE-2016-1564?
It affects 1 product.
Products include Wordpress Wordpress.
How do I fix CVE-2016-1564?
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-2016-1564 being exploited?
There is no known exploitation of CVE-2016-1564 in the wild and no public exploit code.
Other vulnerabilities in Wordpress Wordpress
Sources
Also known as DEBIAN-CVE-2016-1564, DSA-3444-1, GHSA-9575-g3v2-v59w.