User Registration & Membership < 5.3.2 - Unauthenticated Payment Before Login Bypass via Omitted Membership Field

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-109873
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-11 06:17:11 UTC
Updated2026-11-11 12:18:30 UTC
DescriptionThe User Registration & Membership WordPress plugin before 5.3.2 does not enforce its payment-before-login restriction when a registration is submitted without a membership selection, allowing unauthenticated users to create an account on a payment-gated registration form and log in without completing payment.

Risk And Classification

Primary CVSS: v3.1 5.3 MEDIUM from ADP

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

Problem Types: CWE-287 | CWE-287 Improper Authentication | CWE-287 CWE-287 Improper Authentication

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown User Registration Membership affected 5.3.2 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/4cce0bb5-eb8e-4452-a6d1-6c408344bc7f [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: Filip Kecman (en)

CNA: WPScan (en)

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