Paid Membership Plugin Ecommerce User Registration Form Login Form User Profile Restrict Content
EUVD-2026-48488
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CVE-2026-12497
HIGH
GHSA-qw3x-5xr6-mfgm
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V8 - Authorization Least privilege enforcement
MITRE ATT&CK
1 technique across 1 tactic: Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
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Alert meAnalysisAIv1 – Jul 26, 2026
Unauthenticated privilege escalation in Paid Membership Plugin for WordPress before 4.16.18 allows an attacker to register an account with an elevated role such as Editor or Author, bypassing the configured restriction because the registration handler's role acceptance logic differs from the UI parser. The lack of a nonce on the public handler enables exploitation without user interaction. A public proof-of-concept exists, but no active exploitation has been reported via CISA KEV, and the EPSS score is low at 0.13%.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in euvd
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Primary rating from Vendor (WPScan) · only source for this CVE.
CVSS VectorVendor: WPScan
Lifecycle Timeline
4DescriptionCVE.org
The Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content WordPress plugin before 4.16.18 does not consistently enforce the role restriction configured on its front-end registration role-selection field. The set of roles offered to the visitor and the set of roles the registration handler accepts are derived by two different parsers, and for some valid ways of configuring the offered roles the handler ignores the restriction and falls back to accepting any non-administrator role. Combined with the absence of a nonce on the public registration handler, this allows an unauthenticated visitor to register an account with a higher role, such as Editor or Author, than the form was configured to offer.
Threat Intelligence Overview
NVD
CVE.org
EPSS
Vulnrichment
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.
Exploit-DB