CVE-2026-16039

The MStore API WordPress plugin, in versions prior to 4.21.0 , is vulnerable to an Insecure Direct Object Reference (IDOR) . The plugin fails to restrict its vendor-orders endpoint to the caller's own records, which allows any authenticated user—including those with Subscriber privileges—to view ...

EUVD-2026-54385

The MStore API WordPress plugin before 4.21.0 does not correctly verify the cryptographic signature of the token used to authenticate its phone-based login, allowing unauthenticated attackers who know a registered user's phone number to forge a token and take over that user's account, including...

CVE-2026-16041

The MStore API WordPress plugin before 4.21.0 does not perform authorization or purchase-ownership checks on its REST product-review creation route, allowing an unauthenticated attacker to create WooCommerce product reviews with an attacker-chosen reviewer name, email and star rating on stores...

CVE-2026-16030 MStore API < 4.21.0 - Unauthenticated Account Takeover via Firebase Phone Authentication

The MStore API WordPress plugin before 4.21.0 does not correctly verify the cryptographic signature of the token used to authenticate its phone-based login, allowing unauthenticated attackers who know a registered user's phone number to forge a token and take over that user's account, including...

CVE-2026-16041

The MStore API WordPress plugin, in versions prior to 4.21.0 , is vulnerable to an authorization bypass. The plugin fails to perform necessary authorization or purchase-ownership checks on its REST product-review creation route . This flaw allows an unauthenticated attacker to create fake WooComm...

CVE-2026-16030 MStore API < 4.21.0 - Unauthenticated Account Takeover via Firebase Phone Authentication

The MStore API WordPress plugin before 4.21.0 does not correctly verify the cryptographic signature of the token used to authenticate its phone-based login, allowing unauthenticated attackers who know a registered user's phone number to forge a token and take over that user's account, including...

CVE-2026-16039 MStore API < 4.21.0 - Subscriber+ Order and Customer PII Disclosure via IDOR

The MStore API WordPress plugin before 4.21.0 does not restrict its vendor-orders endpoint to the caller's own orders, allowing any authenticated user, including Subscribers, to read every WooCommerce order in the store together with each customer's personal information...

EUVD-2026-54387

The MStore API WordPress plugin before 4.21.0 does not restrict its vendor-orders endpoint to the caller's own orders, allowing any authenticated user, including Subscribers, to read every WooCommerce order in the store together with each customer's personal information...

CVE-2026-16041 MStore API < 4.21.0 - Unauthenticated Product Review Creation

The MStore API WordPress plugin before 4.21.0 does not perform authorization or purchase-ownership checks on its REST product-review creation route, allowing an unauthenticated attacker to create WooCommerce product reviews with an attacker-chosen reviewer name, email and star rating on stores...

CVE-2026-16041 MStore API < 4.21.0 - Unauthenticated Product Review Creation

The MStore API WordPress plugin before 4.21.0 does not perform authorization or purchase-ownership checks on its REST product-review creation route, allowing an unauthenticated attacker to create WooCommerce product reviews with an attacker-chosen reviewer name, email and star rating on stores...

CVE-2026-16030

The MStore API WordPress plugin before 4.21.0 does not correctly verify the cryptographic signature of the token used to authenticate its phone-based login, allowing unauthenticated attackers who know a registered user's phone number to forge a token and take over that user's account, including...

CVE-2026-16038

The MStore API WordPress plugin before 4.21.0 does not verify the payment with the payment gateway before marking an order as paid on several of its payment-completion endpoints, allowing an unauthenticated attacker to mark an arbitrary order fully paid without paying and obtain goods or services...

EUVD-2026-54386

The MStore API WordPress plugin before 4.21.0 does not verify the payment with the payment gateway before marking an order as paid on several of its payment-completion endpoints, allowing an unauthenticated attacker to mark an arbitrary order fully paid without paying and obtain goods or services...

CVE-2026-16038 MStore API < 4.21.0 - Unauthenticated Payment Bypass via Multiple Payment Gateways

The MStore API WordPress plugin before 4.21.0 does not verify the payment with the payment gateway before marking an order as paid on several of its payment-completion endpoints, allowing an unauthenticated attacker to mark an arbitrary order fully paid without paying and obtain goods or services...

CVE-2026-16038 MStore API < 4.21.0 - Unauthenticated Payment Bypass via Multiple Payment Gateways

The MStore API WordPress plugin before 4.21.0 does not verify the payment with the payment gateway before marking an order as paid on several of its payment-completion endpoints, allowing an unauthenticated attacker to mark an arbitrary order fully paid without paying and obtain goods or services...

PT-2026-68868

Name of the Vulnerable Software and Affected Versions MStore API versions prior to 4.21.0 Description The MStore API WordPress plugin contains an Insecure Direct Object Reference IDOR flaw. This occurs because the '/vendor-orders' endpoint does not restrict access to the caller's own orders...

PT-2026-68866

Name of the Vulnerable Software and Affected Versions MStore API versions prior to 4.21.0 Description The MStore API WordPress plugin fails to properly verify the cryptographic signature of the token used during phone-based login authentication. This flaw allows an unauthenticated attacker who...

CVE-2026-16039: Authorization Bypass Through User-Controlled Key

The MStore API WordPress plugin before 4.21.0 does not restrict its vendor-orders endpoint to the caller's own orders, allowing any authenticated user, including Subscribers, to read every WooCommerce order in the store together with each customer's personal information...

CVE-2026-16030: Improper Authentication

The MStore API WordPress plugin before 4.21.0 does not correctly verify the cryptographic signature of the token used to authenticate its phone-based login, allowing unauthenticated attackers who know a registered user's phone number to forge a token and take over that user's account, including...

CVE-2026-16041: Missing Authorization

The MStore API WordPress plugin before 4.21.0 does not perform authorization or purchase-ownership checks on its REST product-review creation route, allowing an unauthenticated attacker to create WooCommerce product reviews with an attacker-chosen reviewer name, email and star rating on stores...