{"id":"CVE-2026-87901","aliases":["EUVD-2026-109101","GHSA-jf28-395j-fvfc"],"status":"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.","severity":{"version":"3.0","score":8.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00322,"percentile":0.25495,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-10-23T16:15:05Z","modified":"2026-11-02T15:38:00Z","products":[{"vendor":"phpbb","product":"phpbb"}],"references":[{"url":"https://www.phpbb.com/community/viewtopic.php?t=2675305"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-87901"},{"url":"https://github.com/advisories/GHSA-jf28-395j-fvfc"}],"sources":{"cve":[{"id":"CVE-2026-87901","description":"Improper sanitization in the registration module allows reflected Cross-Site Scripting.","status":"published","published":"2026-10-23T16:15:05.78Z","modified":"2026-11-02T15:38:00.796Z","cvss":[{"version":"3.0","score":8.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T18:00:08.034842Z"}],"euvd":[{"id":"EUVD-2026-109101","description":"Improper sanitization in the registration module allows reflected Cross-Site Scripting.","status":"published","published":"2026-10-23T16:15:05Z","modified":"2026-11-02T15:38:00Z","cvss":[{"version":"3.0","score":8.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L","level":"high"}],"updated_at":"2026-11-03T05:08:40.757493Z"}],"ghsa":[{"id":"GHSA-jf28-395j-fvfc","title":"Improper sanitization in the registration module allows reflected Cross-Site Scripting.","description":"Improper sanitization in the registration module allows reflected Cross-Site Scripting.","status":"published","published":"2026-10-23T18:31:39Z","modified":"2026-10-23T18:31:39Z","cvss":[{"version":"3.0","score":8.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:14:20.113334Z"}],"nvd":[{"id":"CVE-2026-87901","description":"Improper sanitization in the registration module allows reflected Cross-Site Scripting.","status":"published","published":"2026-10-23T17:17:22.137Z","modified":"2026-11-02T16:17:44.763Z","cvss":[{"version":"3.0","score":8.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L","level":"high","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T20:51:42.579129Z"}]}}