MEDIUM 5.3 NVD
CVE-2026-119166
The Welcart e-Commerce plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.12.5 via the 'member[ID]'
The Welcart e-Commerce plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.12.5 via the 'member[ID]' parameter due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to overwrite any existing Welcart shop-member account's email address and password by supplying that member's numeric ID, then authenticate as that member to achieve full account takeover. The only authentication barrier is a wp_verify_nonce() check against a nonce printed to every unauthenticated visitor on the auto-published New Enrollment Form, meaning no existing account, no WordPress login, and no non-default configuration is required to exploit this vulnerability.
References
- https://plugins.trac.wordpress.org/browser/usc-e-shop/tags/2.12.5/classes/usceshop.class.p
- https://plugins.trac.wordpress.org/browser/usc-e-shop/tags/2.12.5/classes/usceshop.class.p
- https://plugins.trac.wordpress.org/browser/usc-e-shop/tags/2.12.5/classes/usceshop.class.p
- https://plugins.trac.wordpress.org/browser/usc-e-shop/tags/2.12.5/classes/usceshop.class.p
- https://plugins.trac.wordpress.org/changeset/3760784/usc-e-shop
This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-10-31 via NVD.
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