CVE-2023-3956

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-3956", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2023-07-26T17:41:07.986Z", "datePublished": "2023-07-27T06:54:14.804Z", "dateUpdated": "2026-04-08T16:50:20.436Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-04-08T16:50:20.436Z"}, "affected": [{"vendor": "instawp", "product": "InstaWP Connect \u2013 1-click WP Staging & Migration", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "0.0.9.18", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The InstaWP Connect plugin for WordPress is vulnerable to unauthorized access of data, modification of data and loss of data due to a missing capability check on the 'events_receiver' function in versions up to, and including, 0.0.9.18. This makes it possible for unauthenticated attackers to add, modify or delete post and taxonomy, install, activate or deactivate plugin, change customizer settings, add or modify or delete user including administrator user."}], "title": "InstaWP Connect <= 0.0.9.18 - Missing Authorization to Unauthenticated Post/Taxonomy/User Add/Change/Delete, Customizer Setting Change, Plugin Installation/Activation/Deactication via events_receiver", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/48e7acf2-61d4-4762-8657-0701910ce69b?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/instawp-connect/tags/0.0.9.18/includes/class-instawp-rest-apis.php#L103"}, {"url": "https://plugins.trac.wordpress.org/changeset/2942363/instawp-connect#file5"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-862 Missing Authorization", "cweId": "CWE-862", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL"}}], "credits": [{"lang": "en", "type": "finder", "value": "Istv\u00e1n M\u00e1rton"}], "timeline": [{"time": "2023-07-22T00:00:00.000Z", "lang": "en", "value": "Discovered"}, {"time": "2023-07-22T00:00:00.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2023-07-26T00:00:00.000Z", "lang": "en", "value": "Disclosed"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T07:08:50.660Z"}, "title": "CVE Program Container", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/48e7acf2-61d4-4762-8657-0701910ce69b?source=cve", "tags": ["x_transferred"]}, {"url": "https://plugins.trac.wordpress.org/browser/instawp-connect/tags/0.0.9.18/includes/class-instawp-rest-apis.php#L103", "tags": ["x_transferred"]}, {"url": "https://plugins.trac.wordpress.org/changeset/2942363/instawp-connect#file5", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-02-05T18:40:10.626463Z", "id": "CVE-2023-3956", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-05T19:38:35.811Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/48e7acf2-61d4-4762-8657-0701910ce69b?source=cve", "tags": ["x_transferred"]}, {"url": "https://plugins.trac.wordpress.org/browser/instawp-connect/tags/0.0.9.18/includes/class-instawp-rest-apis.php#L103", "tags": ["x_transferred"]}, {"url": "https://plugins.trac.wordpress.org/changeset/2942363/instawp-connect#file5", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T07:08:50.660Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-3956", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-02-05T18:40:10.626463Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-05T18:40:12.513Z"}}], "cna": {"title": "InstaWP Connect <= 0.0.9.18 - Missing Authorization to Unauthenticated Post/Taxonomy/User Add/Change/Delete, Customizer Setting Change, Plugin Installation/Activation/Deactication via events_receiver", "credits": [{"lang": "en", "type": "finder", "value": "Istv\u00e1n M\u00e1rton"}], "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 9.8, "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}}], "affected": [{"vendor": "instawp", "product": "InstaWP Connect \u2013 1-click WP Staging & Migration", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "0.0.9.18"}], "defaultStatus": "unaffected"}], "timeline": [{"lang": "en", "time": "2023-07-22T00:00:00.000Z", "value": "Discovered"}, {"lang": "en", "time": "2023-07-22T00:00:00.000Z", "value": "Vendor Notified"}, {"lang": "en", "time": "2023-07-26T00:00:00.000Z", "value": "Disclosed"}], "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/48e7acf2-61d4-4762-8657-0701910ce69b?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/instawp-connect/tags/0.0.9.18/includes/class-instawp-rest-apis.php#L103"}, {"url": "https://plugins.trac.wordpress.org/changeset/2942363/instawp-connect#file5"}], "descriptions": [{"lang": "en", "value": "The InstaWP Connect plugin for WordPress is vulnerable to unauthorized access of data, modification of data and loss of data due to a missing capability check on the 'events_receiver' function in versions up to, and including, 0.0.9.18. This makes it possible for unauthenticated attackers to add, modify or delete post and taxonomy, install, activate or deactivate plugin, change customizer settings, add or modify or delete user including administrator user."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-862", "description": "CWE-862 Missing Authorization"}]}], "providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-04-08T16:50:20.436Z"}}}, "cveMetadata": {"cveId": "CVE-2023-3956", "state": "PUBLISHED", "dateUpdated": "2026-04-08T16:50:20.436Z", "dateReserved": "2023-07-26T17:41:07.986Z", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "datePublished": "2023-07-27T06:54:14.804Z", "assignerShortName": "Wordfence"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "InstaWP Connect \u2013 1-click WP Staging & Migration", "vendor": "instawp", "versions": [{"lessThanOrEqual": "0.0.9.18", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:instawp:instawp_connect:*:*:*:*:*:wordpress:*:*", "matchCriteriaId": "CA84D292-8449-4A87-8D0A-84D08318737F", "versionEndIncluding": "0.0.9.18", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The InstaWP Connect plugin for WordPress is vulnerable to unauthorized access of data, modification of data and loss of data due to a missing capability check on the 'events_receiver' function in versions up to, and including, 0.0.9.18. This makes it possible for unauthenticated attackers to add, modify or delete post and taxonomy, install, activate or deactivate plugin, change customizer settings, add or modify or delete user including administrator user."}, {"lang": "es", "value": "El plugin InstaWP Connect para WordPress es vulnerable al acceso no autorizado de datos, modificaci\u00f3n de datos y p\u00e9rdida de datos debido a una comprobaci\u00f3n de capacidad faltante en la funci\u00f3n \"events_receiver\" en versiones hasta la 0.0.9.18 inclusive. Esto hace posible que atacantes no autenticados a\u00f1adan, modifiquen o eliminen entradas y taxonom\u00edas, instalen, activen o desactiven el plugin, cambien la configuraci\u00f3n del personalizador y a\u00f1adan, modifiquen o eliminen usuarios incluyendo el usuario administrador. "}], "id": "CVE-2023-3956", "lastModified": "2026-06-17T06:15:28.287", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "security@wordfence.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-3956", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-02-05T18:40:10.626463Z", "version": "2.0.3"}}]}, "published": "2023-07-27T07:15:09.857", "references": [{"source": "security@wordfence.com", "tags": ["Patch"], "url": "https://plugins.trac.wordpress.org/browser/instawp-connect/tags/0.0.9.18/includes/class-instawp-rest-apis.php#L103"}, {"source": "security@wordfence.com", "tags": ["Patch"], "url": "https://plugins.trac.wordpress.org/changeset/2942363/instawp-connect#file5"}, {"source": "security@wordfence.com", "tags": ["Third Party Advisory"], "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/48e7acf2-61d4-4762-8657-0701910ce69b?source=cve"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://plugins.trac.wordpress.org/browser/instawp-connect/tags/0.0.9.18/includes/class-instawp-rest-apis.php#L103"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://plugins.trac.wordpress.org/changeset/2942363/instawp-connect#file5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/48e7acf2-61d4-4762-8657-0701910ce69b?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "security@wordfence.com", "type": "Secondary"}]}

{}

{}