CVE-2006-4028
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).
Key facts
- CVSS score
- 10.0 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C- EPSS score
- 3.8% (90th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2006-4021)
- Published
- August 9, 2006
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2006-4021 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- wordpress / wordpress
- wordpress / wordpress
- wordpress / wordpress
- wordpress / wordpress
References
- http://bugs.gentoo.org/show_bug.cgi?id=142142
- http://secunia.com/advisories/21309(Patch, Vendor Advisory)
- http://secunia.com/advisories/21447(Vendor Advisory)
- http://security.gentoo.org/glsa/glsa-200608-19.xml
- http://unknowngenius.com/blog/archives/2006/07/26/critical-announcement-to-all-wordpress-users/
- http://unknowngenius.com/blog/archives/2006/07/27/followup-on-wordpress/
- http://wordpress.org/development/2006/07/wordpress-204/(Patch)
- http://www.osvdb.org/27633
- http://www.securityfocus.com/bid/19247(Patch)
- http://www.vupen.com/english/advisories/2006/3071(Vendor Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain