What is CVE-2026-25308?

CVE-2026-25308 is a medium-severity vulnerability in Wp.insider Simple Membership, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-02-19.

How severe is CVE-2026-25308?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Wp.insider Simple Membership

CVE-2026-25308

Missing Authorization vulnerability in wp.insider Simple Membership simple-membership allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Simple Membership: from n/a through <= 4.6.9.

Vulnerability class: Broken Access Control

EPSS: 0.002 (8.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Wp.insider Simple Membership — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

patchstack.com/database/Wordpress/Plugin/simple-membership/vulnerability/wordpr… (vdb-entry)

Frequently asked questions

What is CVE-2026-25308?: CVE-2026-25308 is a medium-severity vulnerability in Wp.insider Simple Membership, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-02-19.
How severe is CVE-2026-25308?: Medium severity. CVSS v3 base score is 4.3 out of 10.