EUVD-2026-82666
GHSA-77hc-376p-97j9
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Unauthenticated remote request with no interaction (AV:N/AC:L/PR:N/UI:N); unauthorized account creation is a limited integrity change (I:L) with no confidentiality or availability impact.
Primary rating from Vendor (WPScan).
CVSS VectorVendor: WPScan
Lifecycle Timeline
5DescriptionCVE.org
The Easy Form Builder by WhiteStudio WordPress plugin before 4.2.0 does not validate a submitted value against the stored configuration for some of its form types, allowing unauthenticated users to create WordPress accounts on a site whose owner has disabled registration.
AnalysisAI
Unauthenticated attackers can create WordPress user accounts on sites running the Easy Form Builder by WhiteStudio plugin in versions 4.0.0 through before 4.2.0, even when the site owner has deliberately disabled user registration. The plugin fails to validate a submitted value against its stored configuration for certain form types (CWE-284, improper access control), so the registration-disabled setting is bypassed via a remote, unauthenticated request requiring no user interaction (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N, 5.3). …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitable remotely and unauthenticated (AV:N/PR:N/UI:N) against sites running Easy Form Builder by WhiteStudio versions 4.0.0 through before 4.2.0. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine but low-to-moderate priority issue. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Vendor-released patch: 4.2.0 - updating Easy Form Builder by WhiteStudio to 4.2.0 (or later) restores the validation against stored form configuration and closes the bypass; this is the only complete fix and should be applied as the primary action. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-284 – Improper Access Control
View allSame technique Authentication Bypass
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External POC / Exploit Code
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