CVE-2026-65556

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-65556", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "state": "PUBLISHED", "assignerShortName": "Patchstack", "dateReserved": "2026-07-22T08:54:23.962Z", "datePublished": "2026-08-06T14:27:37.499Z", "dateUpdated": "2026-08-06T19:18:37.275Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-08-06T14:27:37.499Z"}, "title": "WordPress WPBruiser {no- Captcha anti-Spam} plugin <= 3.1.43 - 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": "MihChe", "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected", "packageName": "goodbye-captcha", "product": "WPBruiser {no- Captcha anti-Spam}", "versions": [{"lessThanOrEqual": "3.1.43", "status": "affected", "version": "n/a", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Unauthenticated PHP Object Injection in WPBruiser {no- Captcha anti-Spam} <= 3.1.43 versions."}], "value": "Unauthenticated PHP Object Injection in WPBruiser {no- Captcha anti-Spam} <= 3.1.43 versions."}], "references": [{"tags": ["vdb-entry"], "url": "https://patchstack.com/database/wordpress/plugin/goodbye-captcha/vulnerability/wordpress-wpbruiser-no-captcha-anti-spam-plugin-3-1-43-php-object-injection-vulnerability?_s_id=cve"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "version": "3.1", "baseSeverity": "CRITICAL", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Ananda Dhakal (Patchstack) | Patchstack Bug Bounty Program"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-06T19:18:29.883201Z", "id": "CVE-2026-65556", "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": "2026-08-06T19:18:37.275Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-65556", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "state": "PUBLISHED", "assignerShortName": "Patchstack", "dateReserved": "2026-07-22T08:54:23.962Z", "datePublished": "2026-08-06T14:27:37.499Z", "dateUpdated": "2026-08-06T19:18:37.275Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-08-06T14:27:37.499Z"}, "title": "WordPress WPBruiser {no- Captcha anti-Spam} plugin <= 3.1.43 - 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": "MihChe", "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected", "packageName": "goodbye-captcha", "product": "WPBruiser {no- Captcha anti-Spam}", "versions": [{"lessThanOrEqual": "3.1.43", "status": "affected", "version": "n/a", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Unauthenticated PHP Object Injection in WPBruiser {no- Captcha anti-Spam} <= 3.1.43 versions."}], "value": "Unauthenticated PHP Object Injection in WPBruiser {no- Captcha anti-Spam} <= 3.1.43 versions."}], "references": [{"tags": ["vdb-entry"], "url": "https://patchstack.com/database/wordpress/plugin/goodbye-captcha/vulnerability/wordpress-wpbruiser-no-captcha-anti-spam-plugin-3-1-43-php-object-injection-vulnerability?_s_id=cve"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "version": "3.1", "baseSeverity": "CRITICAL", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Ananda Dhakal (Patchstack) | Patchstack Bug Bounty Program"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-65556", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-08-06T19:18:29.883201Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-06T19:18:33.911Z"}}]}}

{"affected": [{"affectedData": [{"collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected", "packageName": "goodbye-captcha", "product": "WPBruiser {no- Captcha anti-Spam}", "vendor": "MihChe", "versions": [{"lessThanOrEqual": "3.1.43", "status": "affected", "version": "n/a", "versionType": "custom"}]}], "source": "audit@patchstack.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Unauthenticated PHP Object Injection in WPBruiser {no- Captcha anti-Spam} <= 3.1.43 versions."}, {"lang": "es", "value": "Inyecci\u00f3n de objetos PHP no autenticada en WPBruiser {sin Captcha anti-correo no deseado} en versiones menor o igual que 3.1.43."}], "id": "CVE-2026-65556", "lastModified": "2026-10-24T16:10:00.153", "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": "audit@patchstack.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-65556", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-06T19:18:29.883201Z", "version": "2.0.3"}}]}, "published": "2026-08-06T15:17:17.803", "references": [{"source": "audit@patchstack.com", "url": "https://patchstack.com/database/wordpress/plugin/goodbye-captcha/vulnerability/wordpress-wpbruiser-no-captcha-anti-spam-plugin-3-1-43-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": "[0,3.1.43]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "WPBruiser {no- Captcha anti-Spam}", "source": "cna", "vendor": "MihChe"}, "product": "wpbruiser_{no-_captcha_anti-spam}", "vendor": "mihche"}, {"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": "2026-08-06T16:00:06.572490+00:00", "updated": "2026-08-07T09:59:48.244773+00:00", "vendors": ["mihche", "mihche$PRODUCT$wpbruiser_{no-_captcha_anti-spam}", "wordpress", "wordpress$PRODUCT$wordpress"]}