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CVE-2026-13447

MStore API <= 4.20.0 - Unauthenticated Authentication Bypass via 'id_token' Parameter JWT Forgery

The Mstore Api plugin for WordPress is vulnerable to Authentication Bypass via JWT Forgery in versions up to, and including, 4.20.0 This is due to missing cryptographic signature verification in the FirebasePhoneAuthHelper::verify_id_token() function, which decodes and validates Firebase ID token claims (alg, kid, aud, iss) but never calls openssl_verify() or any equivalent to validate the JWT signature against Google's actual public key certificates. This makes it possible for unauthenticated attackers to forge a Firebase Phone Auth JWT signed with a self-generated RSA key pair and impersonate any phone number, resulting in unauthorized access to existing WordPress accounts or creation of new arbitrary accounts.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Vendors
Inspireui Wordpress
Products
Mstore Api Create Native Android And Ios Apps On The Cloud Wordpress
CVE-2023-3076

MStore API < 3.9.9 - Unauthenticated Privilege Escalation

The MStore API WordPress plugin before 3.9.9 does not prevent visitors from creating user accounts with the role of their choice via their wholesale REST API endpoint. This is only exploitable if the site owner paid to access the plugin's pro features.

CVSS 3.1 · 9.8 Critical EPSS 2.2% KEV · Not listed
Vendors
Inspireui
Products
Mstore Api
CVE-2021-47933

WordPress MStore API 2.0.6 Arbitrary File Upload

WordPress MStore API 2.0.6 contains an arbitrary file upload vulnerability that allows unauthenticated attackers to upload malicious files by sending POST requests to the REST API endpoint. Attackers can upload PHP files with arbitrary names to the config_file endpoint to achieve remote code execution on the server.

CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
Vendors
Inspireui Mstore Wordpress
Products
Mstore Api Mstore Api Wordpress
CVE-2023-45055

WordPress MStore API Plugin <= 4.0.6 is vulnerable to SQL Injection

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in InspireUI MStore API allows SQL Injection.This issue affects MStore API: from n/a through 4.0.6.

CVSS 3.1 · 8.5 High EPSS < 1% KEV · Not listed
Vendors
Inspireui
Products
Mstore Api
CVE-2023-50878

WordPress MStore API Plugin <= 4.10.1 is vulnerable to Cross Site Request Forgery (CSRF)

Cross-Site Request Forgery (CSRF) vulnerability in InspireUI MStore API.This issue affects MStore API: from n/a through 4.10.1.

CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Vendors
Inspireui
Products
Mstore Api
CVE-2026-3568

MStore API <= 4.18.3 - Authenticated (Subscriber+) Insecure Direct Object Reference to Arbitrary User Meta Update

The MStore API plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.18.3. This is due to the update_user_profile() function in controllers/flutter-user.php processing the 'meta_data' JSON parameter without any allowlist, blocklist, or validation of meta keys. The function reads raw JSON from php://input (line 1012), decodes it (line 1013), authenticates the user via cookie validation (line 1015), and then directly iterates over the user-supplied meta_data array passing arbitrary keys and values to update_user_meta() (line 1080) with no sanitization or restrictions. This makes it possible for authenticated attackers, with Subscriber-level access and above, to modify arbitrary user meta fields on their own accounts, including sensitive fields like wp_user_level (to escalate to administrator-level legacy checks), plugin-specific authorization flags (e.g., _wpuf_user_active, aiowps_account_status), and billing/profile fields with unsanitized values (potentially enabling Stored XSS in admin contexts). Note that wp_capabilities cannot be directly exploited this way because it requires a serialized array value, but wp_user_level (a simple integer) and numerous plugin-specific meta keys are exploitable.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Inspireui Wordpress
Products
Mstore Api Create Native Android And Ios Apps On The Cloud Wordpress
CVE-2025-3438

MStore API – Create Native Android & iOS Apps On The Cloud <= 4.17.4 - Unauthenticated Limited Privilege Escalation

The MStore API – Create Native Android & iOS Apps On The Cloud plugin for WordPress is vulnerable to limited privilege escalation in all versions up to, and including, 4.17.4. This is due to a lack of restriction of role when registering. This makes it possible for unauthenticated attackers to to register with the 'wcfm_vendor' role, which is a Store Vendor role in the WCFM Marketplace – Multivendor Marketplace for WooCommerce plugin for WordPress. The vulnerability can only be exploited if the WCFM Marketplace – Multivendor Marketplace for WooCommerce plugin is installed and activated. The vulnerability was partially patched in version 4.17.3.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Inspireui
Products
Mstore Api
CVE-2025-4683

MStore API – Create Native Android & iOS Apps On The Cloud <= 4.17.5 - Missing Authorization to Authenticated (Subscriber+) Posts Creation

The MStore API – Create Native Android & iOS Apps On The Cloud plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the create_blog function in all versions up to, and including, 4.17.5. This makes it possible for authenticated attackers, with Subscriber-level access and above, to create new posts.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Inspireui
Products
Mstore Api
CVE-2023-3202

MStore API <= 3.9.6 - Cross-Site Request Forgery to Firebase Server Key Update

The MStore API plugin for WordPress is vulnerable to Cross-Site Request Forgery due to missing nonce validation on the mstore_update_firebase_server_key function. This makes it possible for unauthenticated attackers to update the firebase server key to push notification when order status changed via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Inspireui
Products
Mstore Api
CVE-2023-3201

MStore API <= 3.9.6 - Cross-Site Request Forgery to Order Title Update

The MStore API plugin for WordPress is vulnerable to Cross-Site Request Forgery due to missing nonce validation on the mstore_update_new_order_title function. This makes it possible for unauthenticated attackers to update new order title via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Inspireui
Products
Mstore Api
CVE-2023-3199

MStore API <= 3.9.6 - Cross-Site Request Forgery to Order Title Update

The MStore API plugin for WordPress is vulnerable to Cross-Site Request Forgery due to missing nonce validation on the mstore_update_status_order_title function. This makes it possible for unauthenticated attackers to update status order title via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Inspireui
Products
Mstore Api
CVE-2023-3198

MStore API <= 3.9.6 - Cross-Site Request Forgery to Order Status Update

The MStore API plugin for WordPress is vulnerable to Cross-Site Request Forgery due to missing nonce validation on the mstore_update_status_order_message function. This makes it possible for unauthenticated attackers to update status order message via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Inspireui
Products
Mstore Api
CVE-2023-2733

MStore API <= 3.9.0 - Authentication Bypass

The MStore API plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 3.9.0. This is due to insufficient verification on the user being supplied during the coupon redemption REST API request through the plugin. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, if they have access to the user id.

CVSS 3.1 · 9.8 Critical EPSS 1.2% KEV · Not listed
Vendors
Inspireui
Products
Mstore Api
CVE-2023-2732

MStore API <= 3.9.2 - Authentication Bypass

The MStore API plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 3.9.2. This is due to insufficient verification on the user being supplied during the add listing REST API request through the plugin. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, if they have access to the user id.

CVSS 3.1 · 9.8 Critical EPSS 67.3% KEV · Not listed
Vendors
Inspireui
Products
Mstore Api
CVE-2023-3200

MStore API <= 3.9.6 - Cross-Site Request Forgery to Order Message Update

The MStore API plugin for WordPress is vulnerable to Cross-Site Request Forgery due to missing nonce validation on the mstore_update_new_order_message function. This makes it possible for unauthenticated attackers to update new order message via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Inspireui
Products
Mstore Api
CVE-2023-2734

MStore API <= 3.9.1 - Authentication Bypass

The MStore API plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 3.9.1. This is due to insufficient verification on the user being supplied during the cart sync from mobile REST API request through the plugin. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, if they have access to the user id.

CVSS 3.1 · 9.8 Critical EPSS 3.8% KEV · Not listed
Vendors
Inspireui
Products
Mstore Api
CVE-2020-36713

MStore API <= 2.1.5 - Authentication Bypass

The MStore API plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 2.1.5. This is due to unrestricted access to the 'register' and 'update_user_profile' routes. This makes it possible for unauthenticated attackers to create new administrator accounts, delete existing administrator accounts, or escalate privileges on any account.

CVSS 3.1 · 9.8 Critical EPSS 1.6% KEV · Not listed
Vendors
Inspireui
Products
Mstore Api
CVE-2024-8242

MStore API – Create Native Android & iOS Apps On The Cloud <= 4.15.3 - Authenticated (Subscriber+) Limited Arbitrary File Upload

The MStore API – Create Native Android & iOS Apps On The Cloud plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the update_user_profile() function in all versions up to, and including, 4.15.3. This makes it possible for authenticated attackers, with subscriber-level access and above, to upload arbitrary files (not including PHP files) on the affected site's server which may make remote code execution possible. This can be paired with a registration endpoint for unauthenticated users to exploit the issue.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Inspireui
Products
Mstore Api
CVE-2024-7628

MStore API – Create Native Android & iOS Apps On The Cloud <= 4.15.2 - Authentication Bypass to Account Takeover

The MStore API – Create Native Android & iOS Apps On The Cloud plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 4.15.2. This is due to the use of loose comparison in the 'verify_id_token' function. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, if they have access to an @flutter.io email address or phone number. This also requires firebase to be configured on the website and the user to have set up firebase for their account.

CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Vendors
Inspireui
Products
Mstore Api Mstore Api Create Native Android And Ios Apps On The Cloud
CVE-2024-6328

MStore API – Create Native Android & iOS Apps On The Cloud <= 4.14.7 - Authentication Bypass

The MStore API – Create Native Android & iOS Apps On The Cloud plugin for WordPress is vulnerable to authentication bypass in all versions up to, and including, 4.14.7. This is due to insufficient verification on the 'phone' parameter of the 'firebase_sms_login' and 'firebase_sms_login_v2' functions. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, if they have access to the email address or phone number. Additionally, if a new email address is supplied, a new user account is created with the default role, even if registration is disabled.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Vendors
Fluxbuilder Inspireui
Products
Mstore Api Mstore Api