CVE-2006-4028: WordPress

High severity, CVSS 10.0. EPSS: 3.8% chance of exploitation in the next 30 days.

Multiple unspecified vulnerabilities in WordPress before 2.0.4 have unknown impact and remote attack vectors. NOTE: due to lack of details, it is not clear how these issues are different from CVE-2006-3389 and CVE-2006-3390, although it is likely that 2.0.4 addresses an unspecified issue related to "Anyone can register" functionality (user registration for guests).

Affected products

• WordPress WordPress: version 2.0 only; version 2.0.1 only; version 2.0.2 only; version 2.0.3 only

Published 2006-08-09. Last modified 2026-06-16.