The Gift Cards (Gift Vouchers and Packages) (WooCommerce Supported) plugin for WordPress is vulnerable to unauthorized modification of data|loss of data due to a missing capability check on the 'update_voucher_price', 'update_voucher_date', 'update_voucher_note' functions in all versions up to, and including, 4.4.6. This makes it possible for unauthenticated attackers to update the value, expiration date, and user note for any gift voucher.

The Ultimate Gift Cards for WooCommerce – Create WooCommerce Gift Cards, Gift Vouchers, Redeem & Manage Digital Gift Coupons. Offer Gift Certificates, Schedule Gift Cards, and Use Advance Coupons With Personalized Templates plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on several REST API endpoints such as /wp-json/gifting/recharge-giftcard in all versions up to, and including, 3.0.6. This makes it possible for unauthenticated attackers to recharge a gift card balance, without making a payment along with reducing gift card balances without purchasing anything.

The Gift Cards (Gift Vouchers and Packages) (WooCommerce Supported) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG File uploads in all versions up to, and including, 4.4.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the SVG file.

Cross-Site Request Forgery (CSRF) vulnerability in Codemenschen Gift Vouchers.This issue affects Gift Vouchers: from n/a through 4.4.0.

The Gift Cards (Gift Vouchers and Packages) WordPress Plugin, version <= 4.3.1, is affected by an unauthenticated SQL injection vulnerability in the template parameter in the wpgv_doajax_voucher_pdf_save_func action.

The Gift Vouchers plugin through 2.0.1 for WordPress allows SQL Injection via the template_id parameter in a wp-admin/admin-ajax.php wpgv_doajax_front_template request.