CVE-2026-88785 Simple Membership < 4.8.3 - Newly Registered Member Password Disclosure via URL Query String
Attackers can read plaintext passwords from logs or history if auto-login is enabled, exposing user credentials.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-88785?
CVE-2026-88785 is a medium-severity vulnerability in Unknown Simple Membership, published on 11 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
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.
Weakness: CWE-200
Which versions are affected by CVE-2026-88785?
How do I fix CVE-2026-88785?
No fix has been published for CVE-2026-88785 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-88785 being exploited?
There is no known exploitation of CVE-2026-88785 in the wild and no public exploit code.
Sources
Also known as GHSA-vv5r-wf9f-5j7m.