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The Food Store – Online Food Delivery & Pickup plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'service_type' Cookie in all versions up to, and including, 1.5.5 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The attack is seeded unauthenticated by supplying a payload via the ?type= query parameter on the public checkout page, which the plugin writes directly into the browser's service_type cookie; this cookie value is later persisted to order meta and rendered unescaped in the admin panel.

• https://www.wordfence.com/threat-intel/vulnerabilities/id/60725f12-6219-4c5e-8b5c-e925f0837ddb?source=cve
• https://plugins.trac.wordpress.org/browser/food-store/tags/1.5.5/includes/class-wfs-services.php#L521
• https://plugins.trac.wordpress.org/browser/food-store/tags/1.5.5/includes/class-wfs-services.php#L397
• https://plugins.trac.wordpress.org/browser/food-store/tags/1.5.5/includes/class-wfs-services.php#L398
• https://plugins.trac.wordpress.org/browser/food-store/tags/1.5.5/includes/wfs-core-functions.php#L795
• https://plugins.trac.wordpress.org/browser/food-store/tags/1.5.5/includes/class-wfs-services.php#L150