What is CVE-2026-88785?

CVE-2026-88785 is a medium-severity vulnerability in Simple Membership, classified under Information Disclosure. CVSS score: 4.7/10. Published 2026-10-11.

How severe is CVE-2026-88785?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Information disclosure in Simple Membership

CVE-2026-88785

The Simple Membership WordPress plugin before 4.8.3 does not avoid transmitting a newly registered member's plaintext password in a URL query string when an optional auto-login-after-registration feature is enabled, exposing the credential in browser history and in web server, proxy, and CDN access logs to anyone able to read them.

Vulnerability class: Information Disclosure

Published 2026-10-11 · last modified 2026-10-11.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Simple Membership

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

wpscan.com/vulnerability/7d9a6fe5-fcfc-48f0-a811-8623a69422df/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-88785?: CVE-2026-88785 is a medium-severity vulnerability in Simple Membership, classified under Information Disclosure. CVSS score: 4.7/10. Published 2026-10-11.
How severe is CVE-2026-88785?: Medium severity. CVSS v3 base score is 4.7 out of 10.