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-2026-90922 Paid Member Subscriptions < 3.0.9 - Unauthenticated Membership Payment Bypass via PayPal Standard Amount and Currency Mismatch

The Paid Membership Subscriptions WordPress plugin before 3.0.9 does not verify that the amount and currency reported by the payment provider match the pending payment before completing it, allowing unauthenticated users to obtain a paid membership by paying an arbitrary lower amount...

CVE-2026-90922

CVE-2026-90922 affects the Paid Membership Subscriptions WordPress plugin in versions prior to 3.0.9 . The root cause is a missing verification of the amount and currency reported by PayPal Standard against the pending payment before completing the transaction. This allows an unauthenticated user...

CVE-2026-73314

CVE-2026-73314: Unsupported PayPal signature algorithm accepted 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...

CVE-2026-73315

CVE-2026-73315: SSRF through PayPal certificate URL 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...

CVE-2026-73316

CVE-2026-73316: PayPal webhook replay 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...

CVE-2026-82191

Joomla Extension - j2commerce.com - Unescaped request data reflected into PayPal notify redirect in J2Store 1.0.0-3.3.2, 4.0.0-4.0.22, 4.1.0-4.1.7 - A crafted link to the paypal notify endpoint, if followed by a victim's browser or an automated system that fetches it, causes the resulting redirec...

EUVD-2026-79290

Joomla Extension - j2commerce.com - Unescaped request data reflected into PayPal notify redirect in J2Store 1.0.0-3.3.2, 4.0.0-4.0.22, 4.1.0-4.1.7 - A crafted link to the paypal notify endpoint, if followed by a victim's browser or an automated system that fetches it, causes the resulting redirec...

CVE-2026-82191

J2Store (Joomla extension by j2commerce.com) versions 1.0.0–3.3.2, 4.0.0–4.0.22, and 4.1.0–4.1.7 are affected by a parameter injection flaw in the PayPal notify redirect handler. Unescaped request data is reflected into the redirect sent to com_j2store's checkout controller, allowing an attacker ...

CVE-2026-82191 Joomla Extension - j2commerce.com - Unescaped request data reflected into PayPal notify redirect in J2Store 1.0.0-3.3.2, 4.0.0-4.0.22, 4.1.0-4.1.7

Joomla Extension - j2commerce.com - Unescaped request data reflected into PayPal notify redirect in J2Store 1.0.0-3.3.2, 4.0.0-4.0.22, 4.1.0-4.1.7 - A crafted link to the paypal notify endpoint, if followed by a victim's browser or an automated system that fetches it, causes the resulting redirec...

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...

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

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...

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-2026-80341

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...

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-2026-80340

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...