User Registration & Membership < 5.2.6 - Unauthenticated Account Creation While Registration Disabled

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-16736
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-05 07:16:36 UTC
Updated2026-08-05 16:16:52 UTC
DescriptionThe User Registration & Membership WordPress plugin before 5.2.6 does not enforce the site's registration-disabled setting when processing registration-form submissions, allowing unauthenticated users to create new accounts even when the administrator has turned off open registration.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.001460000 probability, percentile 0.043630000 (date 2026-08-05)

Problem Types: CWE-284 | CWE-284 Improper Access Control | CWE-284 CWE-284 Improper Access Control

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown User Registration Membership affected 5.2.6 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/dc0d63d6-bcd9-4f14-865a-49d254a831a2 [email protected] wpscan.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Nguyễn Đức Hòa (en)

CNA: WPScan (en)

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