WordPress YITH WooCommerce Wishlist plugin <= 4.18.1 - Cross Site Scripting (XSS) vulnerability

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in YITH YITH WooCommerce Wishlist yith-woocommerce-wishlist allows Stored XSS.This issue affects YITH WooCommerce Wishlist: from n/a through 4.18.1.

WordPress YITH WooCommerce Wishlist plugin <= 4.12.0 - Insecure Direct Object References (IDOR) vulnerability

Authorization Bypass Through User-Controlled Key vulnerability in YITH YITH WooCommerce Wishlist allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects YITH WooCommerce Wishlist: from n/a through 4.12.0.

YITH WooCommerce Wishlist <= 4.10.0 - Unauthenticated Wishlist Token Disclosure to Wishlist Item Deletion

The YITH WooCommerce Wishlist plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.10.0. This is due to the plugin not properly verifying that a user is authorized to perform actions on the REST API /wp-json/yith/wishlist/v1/lists endpoint (which uses permission_callback => '__return_true') and the AJAX delete_item handler (which only checks nonce validity without verifying object-level authorization). This makes it possible for unauthenticated attackers to disclose wishlist tokens for any user and subsequently delete wishlist items by chaining the REST API authorization bypass with the exposed delete_item nonce on shared wishlist pages and the AJAX handler's missing object-level authorization check.

YITH WooCommerce Wishlist <= 4.10.0 - Unauthenticated Insecure Direct Object Reference to Unauthenticated Wishlist Rename

The YITH WooCommerce Wishlist plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.10.0 via the REST API endpoint and AJAX handler due to missing validation on user-controlled keys. This makes it possible for unauthenticated attackers to discover any user's wishlist token ID, and subsequently rename the victim's wishlist without authorization (integrity impact). This can be exploited to target multi-user stores for defacement, social engineering attacks, mass tampering, and profiling at scale.

YITH WooCommerce Wishlist < 4.13.0 - Unauthenticated Arbitrary Wishlist Renaming via IDOR

The YITH WooCommerce Wishlist WordPress plugin before 4.13.0 does not properly validate wishlist ownership in the save_title() AJAX handler before allowing wishlist renaming operations. The function only checks for a valid nonce, which is publicly exposed in the page source of the /wishlist/ page, making it possible for unauthenticated attackers to rename any wishlist belonging to any user on the site.

plugin-fw/lib/yit-plugin-panel-wc.php in the YIT Plugin Framework through 3.3.8 for WordPress allows authenticated options changes.