CVE-2026-16605 MultiVendorX < 5.0.11 - Store Owner+ Cross-Vendor Store Takeover and Deletion via Missing Authorization

The MultiVendorX WordPress plugin before 5.0.11 does not verify that the store targeted through its REST API belongs to the requesting vendor, allowing an authenticated vendor Store Owner and above to view, take over, permanently delete, or modify any other vendor's store on the marketplace...

CVE-2026-16605

Summary: CVE-2026-16605 affects the MultiVendorX WordPress plugin (prior to 5.0.11). The issue is that the REST API does not verify that the targeted store belongs to the requesting vendor, enabling an authenticated vendor (Store Owner and above) to view, take over, permanently delete, or modify ...

CVE-2026-9273

Kadence Memberships (WordPress) up to version 4.0.0 is vulnerable to unauthenticated password-reset link poisoning due to rc_process_lost_password_form() feeding attacker-controlled rc_redirect into two unvalidated sinks in legacy/includes/forms.php (wp_redirect/esc_url and add_query_arg). The pu...

CVE-2026-9273

The Membership Plugin – Kadence Memberships plugin for WordPress formerly Restrict Content is vulnerable to password reset link poisoning leading to account takeover in all versions up to, and including, 4.0.0. This is due to the legacy lost-password handler rcprocesslostpasswordform consuming th...

CVE-2026-9273 Membership Plugin – Kadence Memberships <= 4.0.0 - Unauthenticated Password Reset Link Poisoning to Account Takeover

The Membership Plugin – Kadence Memberships plugin for WordPress formerly Restrict Content is vulnerable to password reset link poisoning leading to account takeover in all versions up to, and including, 4.0.0. This is due to the legacy lost-password handler rcprocesslostpasswordform consuming th...

EUVD-2026-53042

The Membership Plugin – Kadence Memberships plugin for WordPress formerly Restrict Content is vulnerable to password reset link poisoning leading to account takeover in all versions up to, and including, 4.0.0. This is due to the legacy lost-password handler rcprocesslostpasswordform consuming th...

CVE-2026-8761

The Dokan plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 5.0.1. This is due to a missing authorization check in the CustomersController REST controller includes/REST/CustomersController.php, which re-registers WooCommerce's customer CRUD routes...

CVE-2026-8761

CVE-2026-8761: Dokan WordPress plugin vulnerability in all versions up to 5.0.1 (disputed in title by 5.0.2) where a missing authorization check in the REST CustomersController re-registers WooCommerce’s customer routes under /wp-json/dokan/v1/customers/, replacing manage_woocommerce with a vendo...

CVE-2026-70590 Ghost: Blind Password Hash Disclosure in Ghost Admin API

Ghost is a Node.js content management system. Prior to 6.54.1, any staff-level user was able to leak the hashed passwords of other staff users through the Ghost Admin API. An offline password-guessing attack against the hashes could lead to account takeover if successful, but Device Verification...

GHSA-PWXH-7358-JQ2X Open WebUI: Stored XSS via unescaped KaTeX render-error fallback in rendered messages

Summary Any authenticated user can store a chat message whose math block makes KaTeX fail with a stack overflow instead of a parse error. When that happens the renderer falls back to inserting the original math source into the page as HTML rather than as text, so script in the message runs in the...

GHSA-3XPF-XQ7R-V8C5 Open WebUI: Same-origin XSS to account takeover via terminal file-preview iframe hardcoding allow-same-origin

Summary Any authenticated user with access to a terminal server could get script of their choosing to run in the Open WebUI origin itself. The HTML file preview rendered terminal-served files in an iframe whose sandbox always granted allow-same-origin alongside allow-scripts, and the file is serv...

Open WebUI: Same-origin XSS to account takeover via terminal file-preview iframe hardcoding allow-same-origin

Summary Any authenticated user with access to a terminal server could get script of their choosing to run in the Open WebUI origin itself. The HTML file preview rendered terminal-served files in an iframe whose sandbox always granted allow-same-origin alongside allow-scripts, and the file is serv...

CVE-2026-70486 Open WebUI: Same-origin XSS to account takeover via terminal file-preview iframe hardcoding allow-same-origin

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.0 until 0.11.0, the terminal file-preview serveUrl iframe branch always granted allow-same-origin together with allow-scripts for HTML files served from the application origin. Any authenticated user wi...

CVE-2026-70486

Open WebUI (self-hosted AI platform) versions 0.9.0–0.11.0 contain a Same-Origin/XSS risk in the terminal file-preview iframe: the serveUrl iframe branch granted allow-same-origin and allow-scripts for HTML files from the app origin, enabling an authenticated user with terminal server access to r...

CVE-2026-70486 Open WebUI: Same-origin XSS to account takeover via terminal file-preview iframe hardcoding allow-same-origin

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.0 until 0.11.0, the terminal file-preview serveUrl iframe branch always granted allow-same-origin together with allow-scripts for HTML files served from the application origin. Any authenticated user wi...

Open WebUI: Account takeover via OAuth token exchange accepting tokens issued to any client

Summary The OAuth token exchange endpoint accepts a raw provider access token and validates it by calling the provider's userinfo endpoint. A userinfo endpoint reports only that a token is valid, never which OAuth client it was issued to, and the endpoint performed no audience or client check of...

GHSA-RQ84-P6RR-VF89 Open WebUI: Account takeover via OAuth token exchange accepting tokens issued to any client

Summary The OAuth token exchange endpoint accepts a raw provider access token and validates it by calling the provider's userinfo endpoint. A userinfo endpoint reports only that a token is valid, never which OAuth client it was issued to, and the endpoint performed no audience or client check of...

CVE-2026-70482

Open WebUI (self-hosted AI platform) versions 0.8.0–0.11.0 are affected. When ENABLE_OAUTH_TOKEN_EXCHANGE is true, /oauth/{provider}/token/exchange accepts a raw provider access token and validates it via the provider’s userinfo endpoint without confirming which OAuth client issued the token. As ...

CVE-2026-70482 Open WebUI: Account takeover via OAuth token exchange accepting tokens issued to any client

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.8.0 until 0.11.0, when ENABLEOAUTHTOKENEXCHANGE=True, /oauth/provider/token/exchange accepts a raw provider access token and validates it by calling the provider userinfo endpoint without confirming which...

CVE-2026-66884

Cross-Site Request Forgery vulnerability in Erlang Ecosystem Foundation oidccplug Oidcc.Plug.AuthorizationCallback module allows an attacker to make a victim's browser complete an authorization flow the victim never initiated. This vulnerability is associated with program file...