CVE-2016-5834 Cross-site scripting in n/a
Remote attackers can inject arbitrary web script or HTML via crafted attachment names in WordPress, potentially leading to session hijacking or malicious actions.
- 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-2016-5834?
CVE-2016-5834 is a medium-severity cross-site scripting vulnerability in Wordpress Wordpress, published on 29 Jun 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
Cross-site scripting (XSS) vulnerability in the wp_get_attachment_link function in wp-includes/post-template.php in WordPress before 4.5.3 allows remote attackers to inject arbitrary web script or HTML via a crafted attachment name, a different vulnerability than CVE-2016-5833.
Weakness: CWE-79
Which versions are affected by CVE-2016-5834?
It affects 1 product.
Products include Wordpress Wordpress.
How do I fix CVE-2016-5834?
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-2016-5834 being exploited?
There is no known exploitation of CVE-2016-5834 in the wild and no public exploit code.
Other vulnerabilities in Wordpress Wordpress
Sources
Also known as DEBIAN-CVE-2016-5834, GHSA-pj25-83q9-ppf3, UBUNTU-CVE-2016-5834.