{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-29204", "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "state": "PUBLISHED", "assignerShortName": "hackerone", "dateReserved": "2026-03-04T15:00:09.267Z", "datePublished": "2026-05-12T17:46:55.152Z", "dateUpdated": "2026-05-12T17:46:55.152Z"}, "containers": {"cna": {"descriptions": [{"lang": "en", "value": "Insufficient ownership checks in `clientarea.php` allow an authenticated client area user to submit requests using another user\u2019s `addonId` without any ownership validation leading to unauthorized access to the victim's resources and their cPanel account."}], "affected": [{"defaultStatus": "unaffected", "vendor": "WebPros", "product": "WHMCS", "versions": [{"version": "7.4.0", "status": "affected", "lessThanOrEqual": "8.12.2", "versionType": "semver"}, {"version": "9.0.0", "status": "affected", "lessThan": "9.0.4", "versionType": "semver"}, {"version": "8.13.0", "status": "affected", "lessThan": "8.13.3", "versionType": "semver"}]}], "references": [{"url": "https://help.whmcs.com/m/125386/l/2073908-cve-2026-29204?token=_4RH-0s0febHsrNiC8GdPymsqg3_nSdT"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N", "baseScore": 10, "baseSeverity": "CRITICAL"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "cweId": "CWE-639", "description": "CWE-639 Insecure Direct Object Reference (IDOR)"}]}], "providerMetadata": {"orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "shortName": "hackerone", "dateUpdated": "2026-05-12T17:46:55.152Z"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Insufficient ownership checks in `clientarea.php` allow an authenticated client area user to submit requests using another user\u2019s `addonId` without any ownership validation leading to unauthorized access to the victim's resources and their cPanel account."}], "id": "CVE-2026-29204", "lastModified": "2026-05-12T18:16:51.030", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 10.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.8, "source": "support@hackerone.com", "type": "Secondary"}]}, "published": "2026-05-12T18:16:51.030", "references": [{"source": "support@hackerone.com", "url": "https://help.whmcs.com/m/125386/l/2073908-cve-2026-29204?token=_4RH-0s0febHsrNiC8GdPymsqg3_nSdT"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}], "source": "support@hackerone.com", "type": "Secondary"}]}

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