CVE-2026-11961

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-11961", "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "state": "PUBLISHED", "assignerShortName": "WPScan", "dateReserved": "2026-06-11T07:56:03.810Z", "datePublished": "2026-07-17T06:00:02.044Z", "dateUpdated": "2026-07-17T14:12:22.220Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "shortName": "WPScan", "dateUpdated": "2026-07-17T06:00:02.044Z"}, "title": "User Registration & Membership < 5.2.3 - Unauthenticated Privilege Escalation via Unbound members_data Membership ID", "problemTypes": [{"descriptions": [{"description": "CWE-269 Improper Privilege Management", "lang": "en", "type": "CWE"}]}], "affected": [{"vendor": "Unknown", "product": "User Registration & Membership", "versions": [{"status": "affected", "versionType": "semver", "version": "0", "lessThan": "5.2.3"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The User Registration & Membership WordPress plugin before 5.2.3 does not validate that the membership tier submitted during public registration is one of the tiers allowed by the registration form before assigning that tier's associated user role, allowing unauthenticated users to register into an arbitrary published membership tier and obtain its role \u2014 up to administrator when such a tier exists."}], "references": [{"url": "https://wpscan.com/vulnerability/2ffab574-8626-472e-b6e4-09bcbaa62349/", "tags": ["exploit", "vdb-entry", "technical-description"]}], "credits": [{"lang": "en", "value": "Khaled Alenazi (Nxploited)", "type": "finder"}, {"lang": "en", "value": "WPScan", "type": "coordinator"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "WPScan CVE Generator"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-269", "lang": "en", "description": "CWE-269 Improper Privilege Management"}]}], "metrics": [{"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"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-07-17T14:11:50.713615Z", "id": "CVE-2026-11961", "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": "2026-07-17T14:12:22.220Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"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"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-11961", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-07-17T14:11:50.713615Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-269", "description": "CWE-269 Improper Privilege Management"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-17T13:01:27.847Z"}}], "cna": {"title": "User Registration & Membership < 5.2.3 - Unauthenticated Privilege Escalation via Unbound members_data Membership ID", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "Khaled Alenazi (Nxploited)"}, {"lang": "en", "type": "coordinator", "value": "WPScan"}], "affected": [{"vendor": "Unknown", "product": "User Registration & Membership", "versions": [{"status": "affected", "version": "0", "lessThan": "5.2.3", "versionType": "semver"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://wpscan.com/vulnerability/2ffab574-8626-472e-b6e4-09bcbaa62349/", "tags": ["exploit", "vdb-entry", "technical-description"]}], "x_generator": {"engine": "WPScan CVE Generator"}, "descriptions": [{"lang": "en", "value": "The User Registration & Membership WordPress plugin before 5.2.3 does not validate that the membership tier submitted during public registration is one of the tiers allowed by the registration form before assigning that tier's associated user role, allowing unauthenticated users to register into an arbitrary published membership tier and obtain its role \u2014 up to administrator when such a tier exists."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "description": "CWE-269 Improper Privilege Management"}]}], "providerMetadata": {"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "shortName": "WPScan", "dateUpdated": "2026-07-17T06:00:02.044Z"}}}, "cveMetadata": {"cveId": "CVE-2026-11961", "state": "PUBLISHED", "dateUpdated": "2026-07-17T14:12:22.220Z", "dateReserved": "2026-06-11T07:56:03.810Z", "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "datePublished": "2026-07-17T06:00:02.044Z", "assignerShortName": "WPScan"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "User Registration & Membership", "vendor": "Unknown", "versions": [{"lessThan": "5.2.3", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "contact@wpscan.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The User Registration & Membership WordPress plugin before 5.2.3 does not validate that the membership tier submitted during public registration is one of the tiers allowed by the registration form before assigning that tier's associated user role, allowing unauthenticated users to register into an arbitrary published membership tier and obtain its role \u2014 up to administrator when such a tier exists."}], "id": "CVE-2026-11961", "lastModified": "2026-07-17T15:44:29.553", "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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-11961", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-07-17T14:11:50.713615Z", "version": "2.0.3"}}]}, "published": "2026-07-17T07:16:37.850", "references": [{"source": "contact@wpscan.com", "url": "https://wpscan.com/vulnerability/2ffab574-8626-472e-b6e4-09bcbaa62349/"}], "sourceIdentifier": "contact@wpscan.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-269"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"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"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,5.2.3)"}}], "enrichment": {"confidence": 75.0, "confidence_source": "inferred", "scores": [{"score": 75.0, "source": "inferred"}, {"score": 84.0, "source": "matching"}]}, "original": {"product": "User Registration & Membership", "source": "cna", "vendor": "Unknown"}, "product": "user_registration_\\&_membership", "vendor": "wpuserregistration"}], "created": "2026-07-22T20:15:03.173196+00:00", "updated": "2026-08-02T20:15:13.278969+00:00", "vendors": ["wordpress", "wordpress$PRODUCT$wordpress", "wpuserregistration", "wpuserregistration$PRODUCT$user_registration_\\&_membership"]}