{ "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" } } ] } }