CVE-2026-88785: medium-severity vulnerability in Simple Membership
Simple Membership < 4.8.3 - Newly Registered Member Password Disclosure via URL Query String
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 4.7epss 0.1%
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.
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected products
Unknown · Simple Membershippublic PoCs found — 1
cve_referencewpscan.com/vulnerability/7d9a6fe5-fcfc-48f0-a811-8623a69422df/unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Simple Membership
In the same product, most dangerous first.
CVE-2022-1724—Simple Membership < 4.1.1 - Reflected Cross-Site ScriptingEPSS 1.8%CVE-2022-2317—Simple Membership < 4.1.3 - Unauthenticated Membership Privilege EscalationEPSS 1.4%CVE-2022-2273—Simple Membership < 4.1.3 - Membership Privilege EscalationEPSS 1.2%CVE-2022-4469MEDIUMSimple Membership < 4.2.2 - Contributor+ Stored XSSEPSS 0.5%CVE-2022-0681—Simple Membership < 4.1.0 - Arbitrary Transaction Deletion via CSRFEPSS 0.5%CVE-2026-11855HIGHSimple Membership < 4.7.5 - Unauthenticated Stored XSS via Stripe Webhook API VersionEPSS 0.5%