{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-87901",
        "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
        "state": "PUBLISHED",
        "assignerShortName": "hackerone",
        "dateReserved": "2026-09-09T15:00:00.574Z",
        "datePublished": "2026-10-23T16:15:05.780Z",
        "dateUpdated": "2026-10-23T16:15:05.780Z"
    },
    "containers": {
        "cna": {
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Improper sanitization in the registration module allows reflected Cross-Site Scripting."
                }
            ],
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "vendor": "phpBB",
                    "product": "phpBB",
                    "versions": [
                        {
                            "version": "3.3.0",
                            "status": "affected",
                            "lessThanOrEqual": "3.3.18",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://www.phpbb.com/community/viewtopic.php?t=2675305"
                }
            ],
            "metrics": [
                {
                    "cvssV3_0": {
                        "version": "3.0",
                        "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L",
                        "baseScore": 8.3,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "lang": "en",
                            "cweId": "CWE-79",
                            "description": "CWE-79 Cross-site Scripting (XSS) - Reflected"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Aikido Security (aikido_security)",
                    "type": "finder"
                }
            ],
            "providerMetadata": {
                "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
                "shortName": "hackerone",
                "dateUpdated": "2026-10-23T16:15:05.780Z"
            }
        }
    }
}