Vulnerability · Published Oct 11, 2026 · Assigned by WPScan
CVE-2026-88785Simple Membership < 4.8.3 - Newly Registered Member Password Disclosure via URL Query String
Medium 4.7
In plain English
A medium-severity information exposure in Simple Membership from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 0% of all known vulnerabilities).
Severity (CVSS 3.1)4.7Medium
Exploit odds (30 days)<0.1%top 99.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Simple Membership | 0 – before 4.8.3 |
Weakness: CWE-200 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
References
- https://wpscan.com/vulnerability/7d9a6fe5-fcfc-48f0-a811-8623a69422df/ exploit, vdb-entry, technical-description