CVE-2026-19887

The Welcart e-Commerce plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 2.12.1 via deserialization of untrusted input in the Telecom EDY payment callback uscesactionactingtransaction. Unauthenticated attackers can store arbitrary 'reserve' key/value...

CVE-2026-19887

The Welcart e-Commerce plugin for WordPress (versions up to 2.12.1 ) is vulnerable to PHP Object Injection via the Telecom EDY payment callback (usces_action_acting_transaction). Unauthenticated attackers can store arbitrary serialized data as order metadata during a public checkout, then trigger...

CVE-2026-19887 Welcart e-Commerce <= 2.12.1 - Unauthenticated Arbitrary File Deletion via PHP Object Injection via 'reserve' Checkout Parameter and 'option' EDY Callback

The Welcart e-Commerce plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 2.12.1 via deserialization of untrusted input in the Telecom EDY payment callback uscesactionactingtransaction. Unauthenticated attackers can store arbitrary 'reserve' key/value...