CVE-2012-3383 Cross-site scripting in n/a
Authenticated administrators or editors in multisite WordPress can bypass HTML filtering to execute cross-site scripting attacks.
- 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-2012-3383?
CVE-2012-3383 is a low-severity cross-site scripting vulnerability in Wordpress Wordpress, published on 22 Jul 2012. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The map_meta_cap function in wp-includes/capabilities.php in WordPress 3.4.x before 3.4.2, when the multisite feature is enabled, does not properly assign the unfiltered_html capability, which allows remote authenticated users to bypass intended access restrictions and conduct cross-site scripting (XSS) attacks by leveraging the Administrator or Editor role and composing crafted text.
Weakness: CWE-264
Which versions are affected by CVE-2012-3383?
It affects 1 product.
Products include Wordpress Wordpress.
How do I fix CVE-2012-3383?
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-2012-3383 being exploited?
There is no known exploitation of CVE-2012-3383 in the wild and no public exploit code.
Other vulnerabilities in Wordpress Wordpress
Sources
Also known as DEBIAN-CVE-2012-3383, GHSA-56vr-745r-v7wg.