HOMEVULNERABILITIESCVE-2006-4028
CRITICAL

CVE-2006-4028

NVD-CWE-noinfoPublished: August 9, 2006· Updated: Jun 16, 2026

10.0
CVSS v3.1

Official Description

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).

NVD Source

Technical Analysis

CVE-2006-4028 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected Vendors & Products

WordPress1 product(s)
wordpress
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (20)

Quick Facts

CVE IDCVE-2006-4028
CVSS Score10.0 / 10
SeverityCRITICAL
CISA KEVNo
Affected1 vendor(s)
PublishedAug 9, 2006

Related CVEs (NVD-CWE-noinfo)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2006-4028 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.