{"id":"CVE-2026-114704","state":"PUBLISHED","title":"WordPress Relevanssi  plugin <= 4.28.4 - PHP Object Injection vulnerability","description":"Deserialization of Untrusted Data vulnerability in Christoph Vielgrader Relevanssi  relevanssi allows Object Injection.This issue affects Relevanssi : from n/a through 4.28.4.","publishedAt":"2026-10-24T14:00:09.045Z","updatedAt":"2026-10-24T14:46:58.175Z","severity":{"score":7.2,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","source":"Patchstack"},"assigner":"Patchstack","products":["Christoph Vielgrader Relevanssi"],"affected":[{"vendor":"Christoph Vielgrader","product":"Relevanssi","packageName":"relevanssi","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"4.28.4","versionType":"custom","changes":[{"at":"4.28.5","status":"unaffected"}]}],"collectionURL":"https://wordpress.org/plugins"}],"references":["https://patchstack.com/database/wordpress/plugin/relevanssi/vulnerability/wordpress-relevanssi-plugin-4-28-4-php-object-injection-vulnerability?_s_id=cve"],"weaknesses":["CWE-502"],"ingestedAt":"2026-10-29T20:10:43.281Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/114xxx/CVE-2026-114704.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-114704","state":"PUBLISHED","datePublished":"2026-10-24T14:00:09.045Z","dateUpdated":"2026-10-24T14:46:58.175Z","assignerShortName":"Patchstack","assignerOrgId":"21595511-bba5-4825-b968-b78d1f9984a3","dateReserved":"2026-10-22T00:22:37.882Z"},"containers":{"cna":{"title":"WordPress Relevanssi  plugin <= 4.28.4 - PHP Object Injection vulnerability","descriptions":[{"lang":"en","value":"Deserialization of Untrusted Data vulnerability in Christoph Vielgrader Relevanssi  relevanssi allows Object Injection.This issue affects Relevanssi : from n/a through 4.28.4."}],"affected":[{"vendor":"Christoph Vielgrader","product":"Relevanssi","packageName":"relevanssi","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"4.28.4","versionType":"custom","changes":[{"at":"4.28.5","status":"unaffected"}]}],"collectionURL":"https://wordpress.org/plugins"}],"references":[{"url":"https://patchstack.com/database/wordpress/plugin/relevanssi/vulnerability/wordpress-relevanssi-plugin-4-28-4-php-object-injection-vulnerability?_s_id=cve","tags":["vdb-entry"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","baseScore":7.2,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-502","description":"Deserialization of Untrusted Data","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Patchstack","orgId":"21595511-bba5-4825-b968-b78d1f9984a3","dateUpdated":"2026-10-24T14:00:09.045Z"},"datePublic":"2026-10-22T13:20:41.000Z","credits":[{"lang":"en","value":"Ananda Dhakal (Patchstack)","type":"finder"}],"impacts":[{"capecId":"CAPEC-586","descriptions":[{"lang":"en","value":"Object Injection"}]}],"solutions":[{"lang":"en","value":"Update the WordPress Relevanssi  plugin to the latest available version (at least 4.28.5).","supportingMedia":[{"type":"text/html","base64":false,"value":"Update the WordPress Relevanssi  plugin to the latest available version (at least 4.28.5)."}]}],"tags":["x_open-source"]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-114704","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-10-24T14:40:45.580120Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-24T14:46:58.175Z"}}]}}}