WordPress Simple Membership <4.1.1 - Cross-Site Scripting

WordPress Simple Membership plugin before 4.1.1 contains a reflected cross-site scripting vulnerability. It does not properly sanitize and escape parameters before outputting them back in AJAX actions. id: CVE-2022-1724 info: name: WordPress Simple Membership 4.1.1 - Cross-Site Scripting author:...

CVE-2026-97337

The Simple Membership plugin for WordPress is vulnerable to unauthorized modification of data and sensitive information disclosure in versions up to, and including, 4.8.3 via the resend-activation and email-activation endpoints. The endpoints are dispatched from...

CVE-2026-97337

The Simple Membership plugin for WordPress is vulnerable to unauthorized data modification and sensitive information disclosure in versions up to and including 4.8.3 . The root cause is a missing authorization check (including no nonce, capability, or ownership verification) on the resend-activat...

CVE-2026-97337 Simple Membership <= 4.8.3 - Missing Authorization to Unauthenticated Account Takeover and Sensitive Information Disclosure via 'email' Parameter on Activation Endpoints

The Simple Membership plugin for WordPress is vulnerable to unauthorized modification of data and sensitive information disclosure in versions up to, and including, 4.8.3 via the resend-activation and email-activation endpoints. The endpoints are dispatched from...

EUVD-2026-91908

The Simple Membership plugin for WordPress is vulnerable to unauthorized modification of data and sensitive information disclosure in versions up to, and including, 4.8.3 via the resend-activation and email-activation endpoints. The endpoints are dispatched from...

WordPress Simple Membership plugin <= 4.8.3 - Missing Authorization to Unauthenticated Account Takeover and Sensitive Information Disclosure vulnerability

Missing Authorization to Unauthenticated Account Takeover and Sensitive Information Disclosure vulnerability discovered by Kuba in WordPress Plugin Simple Membership versions = 4.8.3...

WordPress Simple Membership plugin < 4.7.5 - Unauthenticated Stored XSS via Stripe Webhook API Version vulnerability

Unauthenticated Stored XSS via Stripe Webhook API Version vulnerability discovered by Duy Tran in WordPress Plugin Simple Membership versions 4.7.5...

CVE-2026-74000

Contributor Broken Access Control in Simple Membership = 4.8.2 versions...

EUVD-2026-81514

Contributor Broken Access Control in Simple Membership = 4.8.2 versions...

CVE-2026-74000 WordPress Simple Membership plugin <= 4.8.2 - Broken Access Control vulnerability

Contributor Broken Access Control in Simple Membership = 4.8.2 versions...

CVE-2026-74000 WordPress Simple Membership plugin <= 4.8.2 - Broken Access Control vulnerability

Contributor Broken Access Control in Simple Membership = 4.8.2 versions...

CVE-2026-74000

CVE-2026-74000 affects the WordPress Simple Membership plugin in versions ≤ 4.8.2 . The vulnerability is a Broken Access Control flaw discovered by Ananda Dhakal (Patchstack). The CVSS 3.1 score is 5.3 (Medium) with the vector AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N , indicating a network-exploitable...

CVE-2026-74000: Missing Authorization

Contributor Broken Access Control in Simple Membership = 4.8.2 versions...

WordPress Simple Membership plugin <= 4.8.2 - Broken Access Control vulnerability

Broken Access Control vulnerability discovered by Ananda Dhakal Patchstack in WordPress Plugin Simple Membership versions = 4.8.2...

WordPress Simple Membership plugin < 4.7.8 - Subscriber+ Membership Level Escalation vulnerability

Subscriber+ Membership Level Escalation vulnerability discovered by Charles Vosburgh in WordPress Plugin Simple Membership versions 4.7.8...

CVE-2026-88764

The Simple Membership WordPress plugin before 4.7.8 does not validate that the membership level supplied in a PayPal payment notification matches the level configured for the paid payment button, allowing members to pay for a lower-priced membership while being granted a higher, more privileged...

CVE-2026-88764 Simple Membership < 4.7.8 - Subscriber+ Membership Level Escalation via PayPal Standard subsc_ref

The Simple Membership WordPress plugin before 4.7.8 does not validate that the membership level supplied in a PayPal payment notification matches the level configured for the paid payment button, allowing members to pay for a lower-priced membership while being granted a higher, more privileged...

EUVD-2026-76956

The Simple Membership WordPress plugin before 4.7.8 does not validate that the membership level supplied in a PayPal payment notification matches the level configured for the paid payment button, allowing members to pay for a lower-priced membership while being granted a higher, more privileged...

CVE-2026-88764 Simple Membership < 4.7.8 - Subscriber+ Membership Level Escalation via PayPal Standard subsc_ref

The Simple Membership WordPress plugin before 4.7.8 does not validate that the membership level supplied in a PayPal payment notification matches the level configured for the paid payment button, allowing members to pay for a lower-priced membership while being granted a higher, more privileged...

CVE-2026-88764

The Simple Membership WordPress plugin (versions before 4.7.8 ) contains a membership level escalation vulnerability. The flaw exists because the plugin fails to validate that the membership level provided in a PayPal payment notification matches the level configured for the specific paid payment...