{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-97257","assignerOrgId":"21595511-bba5-4825-b968-b78d1f9984a3","state":"PUBLISHED","assignerShortName":"Patchstack","dateReserved":"2026-09-24T10:23:10.131Z","datePublished":"2026-10-05T19:00:11.048Z","dateUpdated":"2026-10-06T10:41:50.714Z"},"containers":{"cna":{"providerMetadata":{"orgId":"21595511-bba5-4825-b968-b78d1f9984a3","shortName":"Patchstack","dateUpdated":"2026-10-05T19:00:11.048Z"},"title":"WordPress Simple Event Planner plugin <= 1.5.7 - PHP Object Injection vulnerability","datePublic":"2026-10-03T18:40:06.000Z","descriptions":[{"lang":"en","value":"Deserialization of Untrusted Data vulnerability in PressTigers Simple Event Planner simple-event-planner allows Object Injection.This issue affects Simple Event Planner: from n/a through 1.5.7.","supportingMedia":[{"type":"text/html","base64":false,"value":"Deserialization of Untrusted Data vulnerability in PressTigers Simple Event Planner simple-event-planner allows Object Injection.<p>This issue affects Simple Event Planner: from n/a through 1.5.7.</p>"}]}],"affected":[{"vendor":"PressTigers","product":"Simple Event Planner","packageName":"simple-event-planner","collectionURL":"https://wordpress.org/plugins","defaultStatus":"unaffected","versions":[{"version":"0","versionType":"custom","status":"affected","lessThanOrEqual":"1.5.7","changes":[{"at":"1.5.8","status":"unaffected"}]}]}],"references":[{"url":"https://patchstack.com/database/wordpress/plugin/simple-event-planner/vulnerability/wordpress-simple-event-planner-plugin-1-5-7-php-object-injection-vulnerability?_s_id=cve","tags":["vdb-entry"]}],"credits":[{"lang":"en","value":"Ananda Dhakal (Patchstack)","type":"finder"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-502","description":"Deserialization of Untrusted Data","lang":"en","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-586","descriptions":[{"lang":"en","value":"Object Injection"}]}],"solutions":[{"lang":"en","value":"Update the WordPress Simple Event Planner plugin to the latest available version (at least 1.5.8).","supportingMedia":[{"type":"text/html","base64":false,"value":"Update the WordPress Simple Event Planner plugin to the latest available version (at least 1.5.8)."}]}],"tags":["x_open-source"]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-97257","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-10-06T10:22:30.800009Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-06T10:41:50.714Z"}}]}}