CVE-2007-0539: WordPress

High severity, CVSS 7.8. EPSS: 3.6% chance of exploitation in the next 30 days.

The wp_remote_fopen function in WordPress before 2.1 allows remote attackers to cause a denial of service (bandwidth or thread consumption) via pingback service calls with a source URI that corresponds to a large file, which triggers a long download session without a timeout constraint.

Affected products

• WordPress WordPress: up to and including 2.0

Published 2007-01-29. Last modified 2026-06-16.