CVE-2026-80071

User Registration & Membership < 5.2.8 - Author+ Privilege Escalation to Administrator

HIGH
7.2
CVSS Score
Published: September 13, 2026 at 06:00 AM UTC
Updated: September 14, 2026 at 09:24 PM UTC
1 product affected across 1 vendorUser Registration & Membership

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Severity
HIGH7.2
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

The User Registration & Membership WordPress plugin before 5.2.8 does not properly restrict who may author a membership plan or validate the plan a user attaches to their own account, allowing authenticated users with Author-level access and above to assign themselves an arbitrary role and escalate their privileges to Administrator.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 5.2.8
Affected range stops below 5.2.8, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitVDB EntryTechnical Description
Source: cverecord
https://wpscan.com/vulnerability/a4fbdeea-0d3b-466b-b4b6-4c4db277cd1d/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.2HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-269

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