{
    "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": "2026-05-12T21:57:08.277Z"
    },
    "containers": {
        "cna": {
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Insufficient ownership check in `clientarea.php` allows an authenticated client area user to submit requests using another user’s `addonId` without any ownership validation leading to unauthorized access to the victim's account."
                }
            ],
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "vendor": "WebPros",
                    "product": "WHMCS",
                    "versions": [
                        {
                            "version": "7.4.0",
                            "status": "affected",
                            "lessThanOrEqual": "18.12.2",
                            "versionType": "semver"
                        },
                        {
                            "version": "18.13.0",
                            "status": "affected",
                            "lessThan": "18.13.3",
                            "versionType": "semver"
                        },
                        {
                            "version": "9.0.0",
                            "status": "affected",
                            "lessThan": "9.0.4",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://help.whmcs.com/m/125386/l/2073908-cve-2026-29204"
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
                        "baseScore": 9.1,
                        "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": "2026-05-12T21:57:08.277Z"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-05-12T21:10:39.672400Z",
                                "id": "CVE-2026-29204",
                                "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": "2026-05-12T21:13:06.404Z"
                }
            }
        ]
    }
}