WordPress Wava Payment Plugin plugin 0.3.1-0.3.9 - Unauthenticated Merchant Credential Overwrite vulnerability

Unauthenticated Merchant Credential Overwrite vulnerability discovered by Pablo González Pérez, Francisco José Ramírez Vicente and Iñigo Sánchez Enciso in WordPress Plugin Wava Payment versions 0.3.1-0.3.9...

CVE-2026-39609

Summary: CVE-2026-39609 concerns a missing authorization flaw in the WordPress plugin “Wava Payment” (wava-payment), affecting versions up to and including 0.3.7. The root cause is an incorrectly configured access control that allows exploitation of authorization checks. What’s affected: WordPres...