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CVE-2006-4028

26
FAUCET Score

CVE-2006-4028 describes multiple unspecified vulnerabilities in WordPress versions prior to 2.0.4, potentially impacting the "Anyone can register" functionality. With a CVSS score of 10.0, this vulnerability is considered critical, allowing for complete compromise of confidentiality, integrity, and availability with low attack complexity and no authentication required. Despite its high severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.0CPE matchmatch criteria
cpe:2.3:a:wordpress:wordpress:2.0:*:*:*:*:*:*:*
2.0.1CPE matchmatch criteria
cpe:2.3:a:wordpress:wordpress:2.0.1:*:*:*:*:*:*:*
2.0.2CPE matchmatch criteria
cpe:2.3:a:wordpress:wordpress:2.0.2:*:*:*:*:*:*:*
2.0.3CPE matchmatch criteria
cpe:2.3:a:wordpress:wordpress:2.0.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.68%
Probability of exploitation in next 30 days
EPSS Percentile
88.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0368 is in the 80th percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

bugs.gentoo.org / show_bug.cgi
secunia.com / advisories/21309
PatchVendor Advisory
secunia.com / advisories/21447
Vendor Advisory
security.gentoo.org / glsa/glsa-200608-19.xml
unknowngenius.com / blog/archives/2006/07/26/critical-announcement-to-all-wordpress-users
unknowngenius.com / blog/archives/2006/07/27/followup-on-wordpress
wordpress.org / development/2006/07/wordpress-204
Patch
osvdb.org / 27633
securityfocus.com / bid/19247
Patch
vupen.com / english/advisories/2006/3071
Vendor Advisory