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...

Accept Donations with PayPal <= 1.5.2 - Open Redirect

The Accept Donations with PayPal & Stripe plugin for WordPress is vulnerable to Open Redirect in all versions up to, and including, 1.5.2. This is due to insufficient validation on the redirect url supplied. This makes it possible for unauthenticated attackers to redirect users to potentially...

WordPress PayPal Pro <1.1.65 - SQL Injection

WordPress PayPal Pro plugin before 1.1.65 is susceptible to SQL injection via the 'query' parameter which allows for any unauthenticated user to perform SQL queries with the results output to a web page in JSON format. id: CVE-2020-14092 info: name: WordPress PayPal Pro 1.1.65 - SQL Injection...

CVE-2026-80341

The Payment Plugins for PayPal WooCommerce WordPress plugin before 2.0.26 does not verify that a stored payment method belongs to the user attaching it, allowing any authenticated user, such as a subscriber, to bind another customer's stored card to their own account and then charge or delete it...

CVE-2026-80340

The Payment Plugins for PayPal WooCommerce WordPress plugin before 2.0.26 does not validate the order key before adding order data to the JavaScript configuration it outputs on the front end, allowing unauthenticated users to obtain the secret that gates access to any order and, through it, that...

CVE-2026-80340

The Payment Plugins for PayPal WooCommerce WordPress plugin, versions before 2.0.26 , fails to validate the order key before embedding order data into the JavaScript configuration rendered on the front end. This allows unauthenticated users to recover the secret that gates access to a given order...

CVE-2026-80340 Payment Plugins for PayPal WooCommerce < 2.0.26 - Unauthenticated Customer PII Disclosure via order-pay

The Payment Plugins for PayPal WooCommerce WordPress plugin before 2.0.26 does not validate the order key before adding order data to the JavaScript configuration it outputs on the front end, allowing unauthenticated users to obtain the secret that gates access to any order and, through it, that...

WordPress Payment Plugins for PayPal WooCommerce plugin < 2.0.26 - Unauthenticated Customer PII Disclosure vulnerability

Unauthenticated Customer PII Disclosure vulnerability discovered by Erwan LR WPScan in WordPress Plugin Payment Plugins for PayPal WooCommerce versions 2.0.26...

CVE-2026-80341

CVE-2026-80341 affects the Payment Plugins for PayPal WooCommerce WordPress plugin prior to version 2.0.26 . The plugin fails to verify that a stored payment method belongs to the user attaching it — an IDOR flaw — allowing any authenticated user (e.g., a subscriber) to bind another customer's st...

EUVD-2026-74705

The Payment Plugins for PayPal WooCommerce WordPress plugin before 2.0.26 does not validate the order key before adding order data to the JavaScript configuration it outputs on the front end, allowing unauthenticated users to obtain the secret that gates access to any order and, through it, that...

CVE-2026-80341 Payment Plugins for PayPal WooCommerce < 2.0.26 - Subscriber+ Stored Payment Method Assignment via IDOR

The Payment Plugins for PayPal WooCommerce WordPress plugin before 2.0.26 does not verify that a stored payment method belongs to the user attaching it, allowing any authenticated user, such as a subscriber, to bind another customer's stored card to their own account and then charge or delete it...

CVE-2026-73314

CVE-2026-73314 XenForo before 2.3.13 fails open when a PayPal REST webhook names an unsupported signature algorithm. What happens The webhook handler maps PAYPAL-AUTH-ALGO through a small allowlist. If the value is unknown, the mapped algorithm becomes null. Instead of rejecting the request, the...

CVE-2026-73315

CVE-2026-73315 XenForo before 2.3.13 fetches the certificate URL supplied by a PayPal REST webhook without restricting its destination. What happens The callback handler passes PAYPAL-CERT-URL to XenForo's trusted HTTP reader. It does not require a PayPal hostname and does not block loopback or...

CVE-2026-73316

CVE-2026-73316 XenForo before 2.3.13 processes the same valid PayPal REST webhook more than once. What happens The PayPal REST provider overrides XenForo's base transaction validator but omits its duplicate transaction-log lookup. The database index is also non-unique. Two byte-identical, validly...

CVE-2026-73315

XenForo before 2.3.13 contains a server-side request forgery vulnerability in the PayPal REST webhook handler that allows unauthenticated attackers to cause the server to make outbound HTTP requests to arbitrary destinations by supplying a crafted certificate URL in webhook headers without scheme...

CVE-2026-73316

XenForo before 2.3.13 contains a payment replay vulnerability in the PayPal REST payment provider that allows attackers to process the same webhook payload multiple times by exploiting a missing duplicate transaction ID check. Attackers can replay a valid webhook payload to trigger duplicate...

CVE-2026-73314

XenForo before 2.3.13 contains a signature verification logic error in the PayPal REST webhook handler that allows unauthenticated attackers to bypass payment signature validation by submitting a webhook request with an unsupported authalgo header value. When the algorithm cannot be mapped to a...