CVE-2026-81278

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-81278", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "state": "PUBLISHED", "assignerShortName": "Patchstack", "dateReserved": "2026-08-26T17:33:04.627Z", "datePublished": "2026-08-31T20:40:33.217Z", "dateUpdated": "2026-09-01T14:58:13.959Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-08-31T20:40:33.217Z"}, "title": "WordPress Post SMTP plugin 4.0.0-beta.1 - Settings Change vulnerability", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-862", "description": "CWE-862 Missing Authorization", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-180", "descriptions": [{"lang": "en", "value": "CAPEC-180 Exploiting Incorrectly Configured Access Control Security Levels"}]}], "affected": [{"vendor": "WPExperts", "product": "Post SMTP", "collectionURL": "https://wordpress.org/plugins", "packageName": "post-smtp", "versions": [{"status": "affected", "version": "4.0.0", "lessThanOrEqual": "beta.1", "changes": [{"at": "4.0.1", "status": "unaffected"}], "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in WPExperts Post SMTP allows Exploiting Incorrectly Configured Access Control Security Levels.\n\nThis issue affects Post SMTP: from 4.0.0 through beta.1.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Missing Authorization vulnerability in WPExperts Post SMTP allows Exploiting Incorrectly Configured Access Control Security Levels.<p>This issue affects Post SMTP: from 4.0.0 through beta.1.</p>"}]}], "tags": ["x_open-source"], "references": [{"url": "https://patchstack.com/database/wordpress/plugin/post-smtp/vulnerability/wordpress-post-smtp-plugin-4-0-0-beta-1-settings-change-vulnerability?_s_id=cve", "tags": ["vdb-entry"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "LOW", "baseSeverity": "MEDIUM", "baseScore": 5.4, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L"}}], "solutions": [{"lang": "en", "value": "Update the WordPress Post SMTP Plugin to the latest available version (at least 4.0.1).", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Update the WordPress Post SMTP Plugin to the latest available version (at least 4.0.1)."}]}], "credits": [{"lang": "en", "value": "mad4cyber | Patchstack Bug Bounty Program", "user": "00000000-0000-4000-9000-000000000000", "type": "finder"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-01T14:32:46.910084Z", "id": "CVE-2026-81278", "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": "2026-09-01T14:58:13.959Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-81278", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-01T14:32:46.910084Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-01T14:32:47.941Z"}}], "cna": {"tags": ["x_open-source"], "title": "WordPress Post SMTP plugin 4.0.0-beta.1 - Settings Change vulnerability", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "mad4cyber | Patchstack Bug Bounty Program"}], "impacts": [{"capecId": "CAPEC-180", "descriptions": [{"lang": "en", "value": "CAPEC-180 Exploiting Incorrectly Configured Access Control Security Levels"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "WPExperts", "product": "Post SMTP", "versions": [{"status": "affected", "changes": [{"at": "4.0.1", "status": "unaffected"}], "version": "4.0.0", "versionType": "custom", "lessThanOrEqual": "beta.1"}], "packageName": "post-smtp", "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Update the WordPress Post SMTP Plugin to the latest available version (at least 4.0.1).", "supportingMedia": [{"type": "text/html", "value": "Update the WordPress Post SMTP Plugin to the latest available version (at least 4.0.1).", "base64": false}]}], "references": [{"url": "https://patchstack.com/database/wordpress/plugin/post-smtp/vulnerability/wordpress-post-smtp-plugin-4-0-0-beta-1-settings-change-vulnerability?_s_id=cve", "tags": ["vdb-entry"]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in WPExperts Post SMTP allows Exploiting Incorrectly Configured Access Control Security Levels.\n\nThis issue affects Post SMTP: from 4.0.0 through beta.1.", "supportingMedia": [{"type": "text/html", "value": "Missing Authorization vulnerability in WPExperts Post SMTP allows Exploiting Incorrectly Configured Access Control Security Levels.<p>This issue affects Post SMTP: from 4.0.0 through beta.1.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-862", "description": "CWE-862 Missing Authorization"}]}], "providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-08-31T20:40:33.217Z"}}}, "cveMetadata": {"cveId": "CVE-2026-81278", "state": "PUBLISHED", "dateUpdated": "2026-09-01T14:58:13.959Z", "dateReserved": "2026-08-26T17:33:04.627Z", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "datePublished": "2026-08-31T20:40:33.217Z", "assignerShortName": "Patchstack"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected", "packageName": "post-smtp", "product": "Post SMTP", "vendor": "WPExperts", "versions": [{"changes": [{"at": "4.0.1", "status": "unaffected"}], "lessThanOrEqual": "beta.1", "status": "affected", "version": "4.0.0", "versionType": "custom"}]}], "source": "audit@patchstack.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in WPExperts Post SMTP allows Exploiting Incorrectly Configured Access Control Security Levels.\n\nThis issue affects Post SMTP: from 4.0.0 through beta.1."}], "id": "CVE-2026-81278", "lastModified": "2026-09-01T20:48:22.513", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.5, "source": "audit@patchstack.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-81278", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-01T14:32:46.910084Z", "version": "2.0.3"}}]}, "published": "2026-08-31T21:17:49.550", "references": [{"source": "audit@patchstack.com", "url": "https://patchstack.com/database/wordpress/plugin/post-smtp/vulnerability/wordpress-post-smtp-plugin-4-0-0-beta-1-settings-change-vulnerability?_s_id=cve"}], "sourceIdentifier": "audit@patchstack.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "audit@patchstack.com", "type": "Secondary"}]}

{}

{"affected": [{"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"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[4.0.0,beta.1]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[4.0.1,*]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Post SMTP", "source": "cna", "vendor": "WPExperts"}, "product": "post_smtp", "vendor": "wpexperts"}], "created": "2026-08-31T21:20:06.917898+00:00", "updated": "2026-08-31T22:00:06.129237+00:00", "vendors": ["wordpress", "wordpress$PRODUCT$wordpress", "wpexperts", "wpexperts$PRODUCT$post_smtp"]}