CVE-2006-4028
Multiple unspecified vulnerabilities in WordPress before 2.0.4 have unknown impact and remote...
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).
Exploit likelihood
What each source reports
NVD Score used
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).
- Record
CVE-2006-4028- CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
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).
- Record
CVE-2006-4028- Updated
- 2026-11-02
EUVDEUVD-2006-4021 No score
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).
- Record
EUVD-2006-4021- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5fp4-c42w-xqf3 No score
Multiple unspecified vulnerabilities in WordPress before 2.0.4 have unknown impact and remote...
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).
- Record
GHSA-5fp4-c42w-xqf3- Updated
- 2026-11-02
OSV No score
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).
- Record
CVE-2006-4028- Updated
- 2026-11-02
OSVDEBIAN-CVE-2006-4028 No score
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).
- Record
DEBIAN-CVE-2006-4028- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2006-4028 is a high vulnerability (CVSS 10.0) in Wordpress, published August 9, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.75%, the 89th percentile. Fixed in wordpress 2.0.4-1.
References
vupen.com/english/advisories/2006/3071
secunia.com/advisories/21447
securityfocus.com/bid/19247
wordpress.org/development/2006/07/wordpress-204
unknowngenius.com/blog/archives/2006/07/27/followup-on-wordpress
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security.gentoo.org/glsa/glsa-200608-19.xml
bugs.gentoo.org/show_bug.cgi?id=142142
osvdb.org/27633
nvd.nist.gov/vuln/detail/CVE-2006-4028
github.com/advisories/GHSA-5fp4-c42w-xqf3
security-tracker.debian.org/tracker/CVE-2006-4028