CVE-2026-80071CWE-269privilege-escalation

CVE-2026-80071

High · published September 13, 2026

CVSS v3.1
7.2
EPSS
0%
Percentile
39.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00462 · 39.1th percentile
Weakness
CWE-269 · Improper Privilege Management
Published
2026-09-13T10:16Z
References (1)
https://wpscan.com/vulnerability/a4fbdeea-0d3b-466b-b4b6-4c4db277cd1d/ · [email protected]
EPSS history
Timeline
  • 15 SEP 03:22Z
    EPSS moved — → 0%
    epss
  • 13 SEP 06:00Z
    User Registration & Membership < 5.2.8 - Author+ Privilege Escalation to Administrator
    cvelistv5