CVE-2026-54804

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54804", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "state": "PUBLISHED", "assignerShortName": "Patchstack", "dateReserved": "2026-06-16T09:21:34.477Z", "datePublished": "2026-06-17T09:51:43.493Z", "dateUpdated": "2026-06-17T15:35:34.811Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-06-17T09:51:43.493Z"}, "title": "WordPress Melhor Envio plugin <= 2.16.3 - Broken Authentication vulnerability", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-288", "description": "CWE-288 Authentication Bypass Using an Alternate Path or Channel", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-50", "descriptions": [{"lang": "en", "value": "CAPEC-50 Password Recovery Exploitation"}]}], "affected": [{"vendor": "melhorenvio", "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected", "packageName": "melhor-envio-cotacao", "product": "Melhor Envio", "versions": [{"lessThanOrEqual": "2.16.3", "status": "affected", "version": "n/a", "versionType": "custom", "changes": [{"at": "2.16.4", "status": "unaffected"}]}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Subscriber Broken Authentication in Melhor Envio <= 2.16.3 versions."}], "value": "Subscriber Broken Authentication in Melhor Envio <= 2.16.3 versions."}], "references": [{"tags": ["vdb-entry"], "url": "https://patchstack.com/database/wordpress/plugin/melhor-envio-cotacao/vulnerability/wordpress-melhor-envio-plugin-2-16-3-broken-authentication-vulnerability?_s_id=cve"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "HIGH", "version": "3.1", "baseSeverity": "HIGH", "baseScore": 7.6, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H"}}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Update the WordPress Melhor Envio Plugin to the latest available version (at least 2.16.4)."}], "value": "Update the WordPress Melhor Envio Plugin to the latest available version (at least 2.16.4)."}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "HieuPenguinnn | Patchstack Bug Bounty Program"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-17T15:20:17.020324Z", "id": "CVE-2026-54804", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-17T15:35:34.811Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-54804", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-17T15:20:17.020324Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-17T15:35:29.053Z"}}], "cna": {"title": "WordPress Melhor Envio plugin <= 2.16.3 - Broken Authentication vulnerability", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "HieuPenguinnn | Patchstack Bug Bounty Program"}], "impacts": [{"capecId": "CAPEC-50", "descriptions": [{"lang": "en", "value": "CAPEC-50 Password Recovery Exploitation"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.6, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "melhorenvio", "product": "Melhor Envio", "versions": [{"status": "affected", "changes": [{"at": "2.16.4", "status": "unaffected"}], "version": "n/a", "versionType": "custom", "lessThanOrEqual": "2.16.3"}], "packageName": "melhor-envio-cotacao", "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Update the WordPress Melhor Envio Plugin to the latest available version (at least 2.16.4).", "supportingMedia": [{"type": "text/html", "value": "Update the WordPress Melhor Envio Plugin to the latest available version (at least 2.16.4).", "base64": false}]}], "references": [{"url": "https://patchstack.com/database/wordpress/plugin/melhor-envio-cotacao/vulnerability/wordpress-melhor-envio-plugin-2-16-3-broken-authentication-vulnerability?_s_id=cve", "tags": ["vdb-entry"]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "Subscriber Broken Authentication in Melhor Envio <= 2.16.3 versions.", "supportingMedia": [{"type": "text/html", "value": "Subscriber Broken Authentication in Melhor Envio <= 2.16.3 versions.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-288", "description": "CWE-288 Authentication Bypass Using an Alternate Path or Channel"}]}], "providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-06-17T09:51:43.493Z"}}}, "cveMetadata": {"cveId": "CVE-2026-54804", "state": "PUBLISHED", "dateUpdated": "2026-06-17T15:35:34.811Z", "dateReserved": "2026-06-16T09:21:34.477Z", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "datePublished": "2026-06-17T09:51:43.493Z", "assignerShortName": "Patchstack"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected", "packageName": "melhor-envio-cotacao", "product": "Melhor Envio", "vendor": "melhorenvio", "versions": [{"changes": [{"at": "2.16.4", "status": "unaffected"}], "lessThanOrEqual": "2.16.3", "status": "affected", "version": "n/a", "versionType": "custom"}]}], "source": "audit@patchstack.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Subscriber Broken Authentication in Melhor Envio <= 2.16.3 versions."}, {"lang": "es", "value": "Autenticaci\u00f3n Rota de Suscriptor en versiones de Melhor Envio menor o igual que 2.16.3."}], "id": "CVE-2026-54804", "lastModified": "2026-10-26T00:10:00.150", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.7, "source": "audit@patchstack.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-54804", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-06-17T15:20:17.020324Z", "version": "2.0.3"}}]}, "published": "2026-06-17T13:20:51.473", "references": [{"source": "audit@patchstack.com", "url": "https://patchstack.com/database/wordpress/plugin/melhor-envio-cotacao/vulnerability/wordpress-melhor-envio-plugin-2-16-3-broken-authentication-vulnerability?_s_id=cve"}], "sourceIdentifier": "audit@patchstack.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-288"}], "source": "audit@patchstack.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.16.3]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Melhor Envio", "source": "cna", "vendor": "melhorenvio"}, "product": "melhor_envio", "vendor": "melhorenvio"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": null}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "wordpress", "vendor": "wordpress"}], "created": "2026-06-18T12:15:02.686646+00:00", "updated": "2026-06-20T23:03:37.299999+00:00", "vendors": ["melhorenvio", "melhorenvio$PRODUCT$melhor_envio", "wordpress", "wordpress$PRODUCT$wordpress"]}