{"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"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "phpBB", "vendor": "phpBB", "versions": [{"lessThanOrEqual": "3.3.18", "status": "affected", "version": "3.3.0", "versionType": "semver"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper sanitization in the registration module allows reflected Cross-Site Scripting."}], "id": "CVE-2026-87901", "lastModified": "2026-10-23T17:17:22.250", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 8.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 5.5, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-10-23T17:17:22.137", "references": [{"source": "[email protected]", "url": "https://www.phpbb.com/community/viewtopic.php?t=2675305"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "[email protected]", "type": "Secondary"}]}

{}

{"created": "2026-10-23T17:30:17.169187+00:00", "title": "phpBB Registration Module XSS Vulnerability", "updated": "2026-10-23T17:30:17.169193+00:00", "vendors": []}