Auth bypass in Wp.insider Simple Membership

CVE-2026-34886

Unauthenticated Broken Access Control in Simple Membership <= 4.7.1 versions.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (16.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-34886: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: -0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-34886?
CVE-2026-34886 is a high-severity vulnerability in Wp.insider Simple Membership, classified under Missing Authorization. CVSS score: 7.5/10. Published 2026-06-15.
How severe is CVE-2026-34886?
High severity. CVSS v3 base score is 7.5 out of 10.