Strix
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CVE-2012-4421

UnknownEPSS 1.90%

Last modified

CVE-2012-4421 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.90% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
1.90%

77.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
WordpressWordpress<= 3.4.1
WordpressWordpress0.71
WordpressWordpress1.0
WordpressWordpress1.0.1
WordpressWordpress1.0.2
WordpressWordpress1.1.1
WordpressWordpress1.2
WordpressWordpress1.2.1
WordpressWordpress1.2.2
WordpressWordpress1.2.3
WordpressWordpress1.2.4
WordpressWordpress1.2.5
WordpressWordpress1.3
WordpressWordpress1.3.2
WordpressWordpress1.3.3
WordpressWordpress1.5
WordpressWordpress1.5.1
WordpressWordpress1.5.1.1
WordpressWordpress1.5.1.2
WordpressWordpress1.5.1.3
WordpressWordpress1.5.2
WordpressWordpress2.0
WordpressWordpress2.0.1
WordpressWordpress2.0.2
WordpressWordpress2.0.4
WordpressWordpress2.0.5
WordpressWordpress2.0.6
WordpressWordpress2.0.7
WordpressWordpress2.0.8
WordpressWordpress2.0.9
WordpressWordpress2.0.10
WordpressWordpress2.0.11
WordpressWordpress2.1
WordpressWordpress2.1.1
WordpressWordpress2.1.2
WordpressWordpress2.1.3
WordpressWordpress2.2
WordpressWordpress2.2.1
WordpressWordpress2.2.2
WordpressWordpress2.2.3
WordpressWordpress2.3
WordpressWordpress2.3.1
WordpressWordpress2.3.2
WordpressWordpress2.3.3
WordpressWordpress2.5
WordpressWordpress2.5.1
WordpressWordpress2.6
WordpressWordpress2.6.1
WordpressWordpress2.6.2
WordpressWordpress2.6.3

Showing 50 of 85 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2012-4421?
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 severe is CVE-2012-4421?
Severity scoring for CVE-2012-4421 is pending analysis. The EPSS model estimates a 1.90% probability of exploitation in the next 30 days.
How do I fix CVE-2012-4421?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2012-4421?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST