CVE-2009-3891 Cross-site scripting in n/a
Authenticated users can inject arbitrary scripts via the selection parameter in the Press This feature, potentially leading to session hijacking or malicious actions.
- 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-2009-3891?
CVE-2009-3891 is a low-severity cross-site scripting vulnerability in Wordpress Wordpress, published on 17 Nov 2009. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Cross-site scripting (XSS) vulnerability in wp-admin/press-this.php in WordPress before 2.8.6 allows remote authenticated users to inject arbitrary web script or HTML via the s parameter (aka the selection variable).
Weakness: CWE-79
Which versions are affected by CVE-2009-3891?
It affects 1 product.
Products include Wordpress Wordpress.
How do I fix CVE-2009-3891?
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-2009-3891 being exploited?
There is no known exploitation of CVE-2009-3891 in the wild and no public exploit code.
Other vulnerabilities in Wordpress Wordpress
Sources
Also known as DEBIAN-CVE-2009-3891, GHSA-8wqr-ch99-7r8g.