CVE-2026-88785

Medium

Description

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.

SeverityMedium
CVSS4.7
Exploit probability—
ProductSimple Membership
PublishedOct 11, 2026
First seenOct 11, 2026

How to fix

Update
  • Simple Membership4.8.3 or later

Affected products

ProductAffected versionsFixed in
Simple Membershipv < 4.8.34.8.3

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