CVE-2009-2851 Cross-site scripting in n/a
Remote attackers can inject arbitrary web script or HTML via a comment author URL in the WordPress administrator interface.
- 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-2009-2851?
CVE-2009-2851 is a medium-severity cross-site scripting vulnerability in Wordpress Wordpress, published on 18 Aug 2009. 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 administrator interface in WordPress before 2.8.2 allows remote attackers to inject arbitrary web script or HTML via a comment author URL.
Weakness: CWE-79
Which versions are affected by CVE-2009-2851?
It affects 1 product.
Products include Wordpress Wordpress.
How do I fix CVE-2009-2851?
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-2009-2851 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-2851 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Wordpress Wordpress
Sources
Also known as DEBIAN-CVE-2009-2851, GHSA-9q3x-8xjm-8642.