EUVD-2026-49723
GHSA-jqfx-7h8g-gj4q
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Network-accessible, trivial complexity, no privileges or user interaction, scope unchanged, high confidentiality impact.
Primary rating from Vendor (wordfence).
CVSS VectorVendor: wordfence
Lifecycle Timeline
2DescriptionCVE.org
The Premium Packages - Sell Digital Products Securely plugin for WordPress is vulnerable to SQL Injection via the 'code' parameter of the POST /wp-json/wpdmpp/v1/cart/coupon REST API endpoint in versions up to, and including, 6.2.0. This is due to insufficient escaping on the user-supplied parameter, which is interpolated directly into a raw SQL query string in the CouponCodes::find() method without use of $wpdb->prepare() or esc_sql(). This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
Articles & Coverage 1
AnalysisAI
Unauthenticated SQL injection in the WordPress Premium Packages - Sell Digital Products Securely plugin (wpdm-premium-packages) allows any remote attacker to extract sensitive data from the website’s database. The vulnerability exists in the coupon processing REST API endpoint and stems from user input being directly interpolated into a raw SQL query without any sanitization or prepared statements.
Technical ContextAI
The vulnerability resides in the CouponCodes::find() method of the WP Download Manager - Premium Packages plugin, which handles coupon code validation for the cart system. The 'code' parameter from the POST /wp-json/wpdmpp/v1/cart/coupon REST API endpoint is inserted directly into a SQL query string without using $wpdb->prepare() or esc_sql(). This classic SQL injection (CWE-89) allows an attacker to append arbitrary SQL commands. The affected plugin is a commercial extension for selling digital products, identified by the slug 'wpdm-premium-packages' in the WordPress plugin repository.
RemediationAI
Update to a version later than 6.2.0 once a patched release is made available. The development team has committed a fix in changeset r3595291, but a tagged release number is not yet published. In the interim, disable the vulnerable coupon API endpoint by deactivating the REST API route '/wpdmpp/v1/cart/coupon' through custom code or a firewall rule, or consider temporarily deactivating the plugin if the coupon functionality is not critical. Web application firewalls (WAF) can also block SQL injection attempts targeting this parameter, but updating remains the definitive fix. Monitor the plugin’s WordPress page for an official release containing the patch.
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Same weakness CWE-89 – SQL Injection
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External POC / Exploit Code
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