329 matches found
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 is a WordPress plugin that manages paid membership levels via PayPal. Versions before 4.7.8 fail to validate that the membership level specified in a PayPal Standard payment notification (via the subsc_ref parameter) matches the level configured for the paid payment button. An a...
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-2026-8151
The Simple Membership MailChimp Integration WordPress plugin before 1.9.8 does not have CSRF checks in its settings page, allowing attackers to trick a logged-in administrator into changing the configured third-party API key. Once replaced, all subsequent member registration data name, email,...
CVE-2026-8151 Simple Membership MailChimp Integration < 1.9.8 - API Key Update via CSRF
The Simple Membership MailChimp Integration WordPress plugin before 1.9.8 does not have CSRF checks in its settings page, allowing attackers to trick a logged-in administrator into changing the configured third-party API key. Once replaced, all subsequent member registration data name, email,...
CVE-2026-8151
The Simple Membership MailChimp Integration WordPress plugin before 1.9.8 lacks CSRF protection on its settings page. An attacker can craft a request that, when submitted by a logged-in administrator , silently replaces the configured MailChimp API key. Once swapped, all subsequent member registr...
EUVD-2026-70043
The Simple Membership MailChimp Integration WordPress plugin before 1.9.8 does not have CSRF checks in its settings page, allowing attackers to trick a logged-in administrator into changing the configured third-party API key. Once replaced, all subsequent member registration data name, email,...
CVE-2026-8151 Simple Membership MailChimp Integration < 1.9.8 - API Key Update via CSRF
The Simple Membership MailChimp Integration WordPress plugin before 1.9.8 does not have CSRF checks in its settings page, allowing attackers to trick a logged-in administrator into changing the configured third-party API key. Once replaced, all subsequent member registration data name, email,...
CVE-2026-77194
The Simple Membership plugin for WordPress is vulnerable to Authentication Bypass leading to Administrator Account Takeover in versions up to, and including, 4.8.0. This is due to improper identity verification during the public registration flow in WordPress Multisite environments, where the...
CVE-2026-77194 Simple Membership <= 4.8.1 - Unauthenticated Authentication Bypass to Administrator Account Takeover via Multisite Identity Binding
The Simple Membership plugin for WordPress is vulnerable to Authentication Bypass leading to Administrator Account Takeover in versions up to, and including, 4.8.0. This is due to improper identity verification during the public registration flow in WordPress Multisite environments, where the...
CVE-2026-77194
The Simple Membership WordPress plugin (versions up to 4.8.0 , with a partial fix in 4.8.1) is affected by an unauthenticated Authentication Bypass that can lead to Administrator Account Takeover in WordPress Multisite environments. The root cause is improper identity verification during the publ...
EUVD-2026-69022
The Simple Membership plugin for WordPress is vulnerable to Authentication Bypass leading to Administrator Account Takeover in versions up to, and including, 4.8.0. This is due to improper identity verification during the public registration flow in WordPress Multisite environments, where the...
WordPress Simple Membership plugin <= 4.8.1 - Unauthenticated Authentication Bypass to Administrator Account Takeover via Multisite Identity Binding vulnerability
Unauthenticated Authentication Bypass to Administrator Account Takeover via Multisite Identity Binding vulnerability discovered by Kittipat Jitphonchana in WordPress Plugin Simple Membership versions = 4.8.1...
WordPress Simple Membership plugin < 4.7.8 - Unauthenticated Stored XSS via PayPal Subscription Subscriber Name vulnerability
Unauthenticated Stored XSS via PayPal Subscription Subscriber Name vulnerability discovered by Yaswanth Reddy Sunkara in WordPress Plugin Simple Membership versions 4.7.8...
EUVD-2026-54193
The Simple Membership WordPress plugin before 4.7.7 does not verify that a PayPal payment notification was sent to the site's own configured merchant account before activating a membership, allowing unauthenticated users to activate or extend a membership using a payment made to an arbitrary PayP...
CVE-2026-14936
The CVE concerns the Simple Membership WordPress plugin prior to version 4.7.7, where PayPal IPN verification is not performed against the site’s configured merchant account before activating a membership. This allows unauthenticated users to activate or extend memberships using PayPal payments t...