What’s Vulnerable › Vulnerabilities
CVE-2026-88785: Simple Membership < 4.8.3 - Newly Registered Member Password Disclosure via URL Query String
- Severity: medium (CVSS 4.7 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-11 · updated 2026-10-13
- Weakness: CWE-200
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.
Affected products
- Simple Membership: before 4.8.3 — fixed in 4.8.3
How to fix
Upgrade to a fixed version: Simple Membership 4.8.3. Check the vendor advisory for mitigations.
References
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