{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-42687", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "state": "PUBLISHED", "assignerShortName": "Patchstack", "dateReserved": "2026-04-29T09:04:56.882Z", "datePublished": "2026-06-15T20:18:48.391Z", "dateUpdated": "2026-06-16T01:24:02.220Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-06-15T20:18:48.391Z"}, "title": "WordPress EventPrime plugin <= 4.3.2.1 - PHP Object Injection vulnerability", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-502", "description": "CWE-502 Deserialization of Untrusted Data", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-586", "descriptions": [{"lang": "en", "value": "CAPEC-586 Object Injection"}]}], "affected": [{"vendor": "EventPrime", "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected", "packageName": "eventprime-event-calendar-management", "product": "EventPrime", "versions": [{"lessThanOrEqual": "4.3.2.1", "status": "affected", "version": "n/a", "versionType": "custom", "changes": [{"at": "4.3.2.2", "status": "unaffected"}]}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Unauthenticated PHP Object Injection in EventPrime <= 4.3.2.1 versions."}], "value": "Unauthenticated PHP Object Injection in EventPrime <= 4.3.2.1 versions."}], "references": [{"tags": ["vdb-entry"], "url": "https://patchstack.com/database/wordpress/plugin/eventprime-event-calendar-management/vulnerability/wordpress-eventprime-plugin-4-3-2-1-php-object-injection-vulnerability?_s_id=cve"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "version": "3.1", "baseSeverity": "HIGH", "baseScore": 8.1, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Update the WordPress EventPrime Plugin to the latest available version (at least 4.3.2.2)."}], "value": "Update the WordPress EventPrime Plugin to the latest available version (at least 4.3.2.2)."}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "hhhai | Patchstack Bug Bounty Program"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-16T01:09:53.687785Z", "id": "CVE-2026-42687", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"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": "2026-06-16T01:24:02.220Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-42687", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-06-16T01:09:53.687785Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-16T01:23:57.691Z"}}], "cna": {"title": "WordPress EventPrime plugin <= 4.3.2.1 - PHP Object Injection vulnerability", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "hhhai | Patchstack Bug Bounty Program"}], "impacts": [{"capecId": "CAPEC-586", "descriptions": [{"lang": "en", "value": "CAPEC-586 Object Injection"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "EventPrime", "product": "EventPrime", "versions": [{"status": "affected", "changes": [{"at": "4.3.2.2", "status": "unaffected"}], "version": "n/a", "versionType": "custom", "lessThanOrEqual": "4.3.2.1"}], "packageName": "eventprime-event-calendar-management", "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Update the WordPress EventPrime Plugin to the latest available version (at least 4.3.2.2).", "supportingMedia": [{"type": "text/html", "value": "Update the WordPress EventPrime Plugin to the latest available version (at least 4.3.2.2).", "base64": false}]}], "references": [{"url": "https://patchstack.com/database/wordpress/plugin/eventprime-event-calendar-management/vulnerability/wordpress-eventprime-plugin-4-3-2-1-php-object-injection-vulnerability?_s_id=cve", "tags": ["vdb-entry"]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "Unauthenticated PHP Object Injection in EventPrime <= 4.3.2.1 versions.", "supportingMedia": [{"type": "text/html", "value": "Unauthenticated PHP Object Injection in EventPrime <= 4.3.2.1 versions.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-502", "description": "CWE-502 Deserialization of Untrusted Data"}]}], "providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-06-15T20:18:48.391Z"}}}, "cveMetadata": {"cveId": "CVE-2026-42687", "state": "PUBLISHED", "dateUpdated": "2026-06-16T01:24:02.220Z", "dateReserved": "2026-04-29T09:04:56.882Z", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "datePublished": "2026-06-15T20:18:48.391Z", "assignerShortName": "Patchstack"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Unauthenticated PHP Object Injection in EventPrime <= 4.3.2.1 versions."}], "id": "CVE-2026-42687", "lastModified": "2026-06-15T21:24:32.790", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "audit@patchstack.com", "type": "Secondary"}]}, "published": "2026-06-15T21:16:56.870", "references": [{"source": "audit@patchstack.com", "url": "https://patchstack.com/database/wordpress/plugin/eventprime-event-calendar-management/vulnerability/wordpress-eventprime-plugin-4-3-2-1-php-object-injection-vulnerability?_s_id=cve"}], "sourceIdentifier": "audit@patchstack.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-502"}], "source": "audit@patchstack.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,4.3.2.1]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[4.3.2.2,*]"}}], "enrichment": {"confidence": 93.0, "confidence_source": "matching", "scores": [{"score": 93.0, "source": "matching"}]}, "original": {"product": "EventPrime", "source": "cna", "vendor": "EventPrime"}, "product": "eventprime", "vendor": "theeventprime"}, {"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": "2026-06-16T21:00:12.846623+00:00", "updated": "2026-06-26T09:15:02.693644+00:00", "vendors": ["theeventprime", "theeventprime$PRODUCT$eventprime", "wordpress", "wordpress$PRODUCT$wordpress"]}