CVE-2006-4028: Critical – Multiple unspecified vulnerabilities in WordPress before 2.0.4 have

◆ AI Analysis — automated analysis, not human-reviewed

This vulnerability was disclosed in 2006. A critical vulnerability affects Wordpress systems (CVE-2006-4028). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2006-GLOBAL-015066-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions

What is CVE-2006-4028?

This vulnerability was disclosed in 2006. A critical vulnerability affects Wordpress systems (CVE-2006-4028). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

What is the CVSS score for CVE-2006-4028?

CVE-2006-4028 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 3.8%.

Is CVE-2006-4028 actively exploited?

No confirmed active exploitation of CVE-2006-4028 as of 2026-09-25.

How do I remediate CVE-2006-4028?

Priority: MEDIUM. PSIRT: [email protected]

What systems are affected by CVE-2006-4028?

CVE-2006-4028 affects Wordpress Wordpress.

Vulnerability Details

CVE ID	`CVE-2006-4028`
BSID	`BS-2006-GLOBAL-015066-C` BreachSpider Global ID
CVSS Vector	`AV:N/AC:L/Au:N/C:C/I:C/A:C`
Published	2006-08-09
Last Modified	2026-06-16
ICS Relevance	0%
Source	NVD

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).

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: 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). CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C.

Exploitation Likelihood: LOW

Affected Products

Vendor	Product	Affected Versions
Wordpress	Wordpress	`2.0` `2.0.1` `2.0.2` `2.0.3`

Remediation

No official vendor advisory link on record. See the CVE record →

Vendor PSIRT: [email protected]

Threat Intelligence

● Threat Intelligence Validated: October 2026 | Threat Age: 7372 Days

CISA known-exploited	Not in KEV catalog
Public Exploit	Not confirmed
PoC Code	Not confirmed

AI Enrichment Record — provenance & audit hash

Model	`rule-based-v1`
Confidence	MEDIUM
Enriched At	2026-05-24
SHA-512 Audit Hash	`672155b57c9bbcf402898bd0479daf985aab9f5bd17ae6c05d42123667b95e414e3da68c976748281eebf7e1697f34a213afb19d77ae5b2bfdf0d171c378f662`

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