CVE-2012-4421
EPSS 0.20%
Description
The create_post function in wp-includes/class-wp-atom-server.php in WordPress before 3.4.2 does not perform a capability check, which allows remote authenticated users to bypass intended access restrictions and publish new posts by leveraging the Contributor role and using the Atom Publishing Protocol (aka AtomPub) feature.
How to fix CVE-2012-4421
To remediate CVE-2012-4421, upgrade the affected package to a fixed version below.
- Debian/wordpress—upgrade to 3.4.2+dfsg-1 or later
Is CVE-2012-4421 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 3.4.2+dfsg-1