CVE-2026-12256

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-12256", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "state": "PUBLISHED", "assignerShortName": "Patchstack", "dateReserved": "2026-06-15T08:56:12.050Z", "datePublished": "2026-06-16T20:57:21.069Z", "dateUpdated": "2026-10-01T16:57:06.846Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-10-01T16:57:06.846Z"}, "title": "WordPress Fusion Builder plugin <= 3.15.3 - PHP Object Injection vulnerability", "datePublic": "2026-06-15T12:34:25.000Z", "descriptions": [{"lang": "en", "value": "Deserialization of Untrusted Data vulnerability in ThemeFusion Fusion Builder fusion-builder allows Object Injection.This issue affects Fusion Builder: from n/a through 3.15.3.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Deserialization of Untrusted Data vulnerability in ThemeFusion Fusion Builder fusion-builder allows Object Injection.<p>This issue affects Fusion Builder: from n/a through 3.15.3.</p>"}]}], "affected": [{"vendor": "ThemeFusion", "product": "Fusion Builder", "packageName": "fusion-builder", "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected", "versions": [{"version": "0", "versionType": "custom", "status": "affected", "lessThanOrEqual": "3.15.3", "changes": [{"at": "3.15.4", "status": "unaffected"}]}]}], "references": [{"url": "https://patchstack.com/database/wordpress/plugin/fusion-builder/vulnerability/wordpress-avada-theme-3-15-3-php-object-injection-vulnerability?_s_id=cve", "tags": ["vdb-entry"]}], "credits": [{"lang": "en", "value": "daroo | Patchstack Bug Bounty Program", "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 Fusion Builder plugin to the latest available version (at least 3.15.4).", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Update the WordPress Fusion Builder plugin to the latest available version (at least 3.15.4)."}]}], "tags": ["x_open-source"]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-17T10:29:03.591684Z", "id": "CVE-2026-12256", "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": "2026-06-17T10:44:37.897Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-12256", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-06-17T10:29:03.591684Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-17T10:44:32.824Z"}}], "cna": {"tags": ["x_open-source"], "title": "WordPress Fusion Builder plugin <= 3.15.3 - PHP Object Injection vulnerability", "credits": [{"lang": "en", "type": "finder", "value": "daroo | Patchstack Bug Bounty Program"}], "impacts": [{"capecId": "CAPEC-586", "descriptions": [{"lang": "en", "value": "Object Injection"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "ThemeFusion", "product": "Fusion Builder", "versions": [{"status": "affected", "changes": [{"at": "3.15.4", "status": "unaffected"}], "version": "0", "versionType": "custom", "lessThanOrEqual": "3.15.3"}], "packageName": "fusion-builder", "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Update the WordPress Fusion Builder plugin to the latest available version (at least 3.15.4).", "supportingMedia": [{"type": "text/html", "value": "Update the WordPress Fusion Builder plugin to the latest available version (at least 3.15.4).", "base64": false}]}], "datePublic": "2026-06-15T12:34:25.000Z", "references": [{"url": "https://patchstack.com/database/wordpress/plugin/fusion-builder/vulnerability/wordpress-avada-theme-3-15-3-php-object-injection-vulnerability?_s_id=cve", "tags": ["vdb-entry"]}], "descriptions": [{"lang": "en", "value": "Deserialization of Untrusted Data vulnerability in ThemeFusion Fusion Builder fusion-builder allows Object Injection.This issue affects Fusion Builder: from n/a through 3.15.3.", "supportingMedia": [{"type": "text/html", "value": "Deserialization of Untrusted Data vulnerability in ThemeFusion Fusion Builder fusion-builder allows Object Injection.<p>This issue affects Fusion Builder: from n/a through 3.15.3.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-502", "description": "Deserialization of Untrusted Data"}]}], "providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-10-01T16:57:06.846Z"}}}, "cveMetadata": {"cveId": "CVE-2026-12256", "state": "PUBLISHED", "dateUpdated": "2026-10-01T16:57:06.846Z", "dateReserved": "2026-06-15T08:56:12.050Z", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "datePublished": "2026-06-16T20:57:21.069Z", "assignerShortName": "Patchstack"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected", "packageName": "fusion-builder", "product": "Fusion Builder", "vendor": "ThemeFusion", "versions": [{"changes": [{"at": "3.15.4", "status": "unaffected"}], "lessThanOrEqual": "3.15.3", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "audit@patchstack.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Deserialization of Untrusted Data vulnerability in ThemeFusion Fusion Builder fusion-builder allows Object Injection.This issue affects Fusion Builder: from n/a through 3.15.3."}, {"lang": "es", "value": "Vulnerabilidad de deserializaci\u00f3n de datos no confiables en ThemeFusion Fusion Builder fusion-builder permite la inyecci\u00f3n de objetos. Este problema afecta a Fusion Builder: desde n/a hasta la versi\u00f3n 3.15.3 incluida."}], "id": "CVE-2026-12256", "lastModified": "2026-10-26T12:10:00.130", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "audit@patchstack.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-12256", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-06-17T10:29:03.591684Z", "version": "2.0.3"}}]}, "published": "2026-06-17T13:19:57.723", "references": [{"source": "audit@patchstack.com", "url": "https://patchstack.com/database/wordpress/plugin/fusion-builder/vulnerability/wordpress-avada-theme-3-15-3-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": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,3.15.3]"}}], "enrichment": {"confidence": 97.0, "confidence_source": "matching", "scores": [{"score": 97.0, "source": "matching"}]}, "original": {"product": "Avada", "source": "cna", "vendor": "ThemeFusion"}, "product": "avada", "vendor": "theme-fusion"}, {"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": "2026-06-17T19:45:02.763464+00:00", "updated": "2026-10-02T00:00:15.297386+00:00", "vendors": ["theme-fusion", "theme-fusion$PRODUCT$avada", "wordpress", "wordpress$PRODUCT$wordpress"]}