{"id":"CVE-2026-87901","state":"PUBLISHED","title":"Improper sanitization in the registration module allows reflected Cross-Site Scripting.","description":"Improper sanitization in the registration module allows reflected Cross-Site Scripting.","publishedAt":"2026-10-23T16:15:05.780Z","updatedAt":"2026-10-23T16:15:05.780Z","severity":{"score":8.3,"label":"High","version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L","source":"hackerone"},"assigner":"hackerone","products":["phpBB phpBB"],"affected":[{"vendor":"phpBB","product":"phpBB","defaultStatus":"unaffected","versions":[{"version":"3.3.0","status":"affected","lessThanOrEqual":"3.3.18","versionType":"semver"}]}],"references":["https://www.phpbb.com/community/viewtopic.php?t=2675305"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/87xxx/CVE-2026-87901.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-87901","state":"PUBLISHED","datePublished":"2026-10-23T16:15:05.780Z","dateUpdated":"2026-10-23T16:15:05.780Z","assignerShortName":"hackerone","assignerOrgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateReserved":"2026-09-09T15:00:00.574Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Improper sanitization in the registration module allows reflected Cross-Site Scripting."}],"affected":[{"vendor":"phpBB","product":"phpBB","defaultStatus":"unaffected","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":[{"cweId":"CWE-79","type":"CWE","lang":"en","description":"CWE-79 Cross-site Scripting (XSS) - Reflected"}]}],"providerMetadata":{"shortName":"hackerone","orgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateUpdated":"2026-10-23T16:15:05.780Z"},"credits":[{"lang":"en","value":"Aikido Security (aikido_security)","type":"finder"}]}}}}