CVE-2026-54804HIGH NVDCVSS Score 7.6Severity HIGHPublished Jun 17, 2026Vendor unknownDescriptionSubscriber Broken Authentication in Melhor Envio <= 2.16.3 versions.Referenceshttps://patchstack.com/database/wordpress/plugin/melhor-envio-cotacao/vulnerability/wordpress-melhor-envio-plugin-2-16-3-broken-authentication-vulnerability?_s_id=cve