{"id":"CVE-2025-71404","summary":"better-auth before 1.1.16 Reflected XSS via error parameter","details":"better-auth versions after v0.0.2 and before 1.1.16 contain a reflected cross-site scripting (XSS) vulnerability on the /api/auth/error page, where the value of the 'error' URL parameter is reflected as HTML without proper neutralization. An attacker who coerces a user into visiting a specially-crafted URL can execute arbitrary JavaScript in the context of the user's browser. The issue is fixed in version 1.1.16.","aliases":["GHSA-9x4v-xfq5-m8x5"],"modified":"2026-08-03T03:30:19.150998403Z","published":"2026-08-01T12:22:17.885Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-79"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71404.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71404.json"},{"type":"ADVISORY","url":"https://github.com/better-auth/better-auth/security/advisories/GHSA-9x4v-xfq5-m8x5"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-71404"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/better-auth-before-reflected-xss-via-error-parameter"},{"type":"FIX","url":"https://github.com/better-auth/better-auth/commit/05ada0b79dbcac93cc04ceb79b23ca598d07830c"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/better-auth/better-auth","events":[{"introduced":"0"},{"fixed":"10d04cb7c18f595c6235c02bf3cc6ae54b87833f"},{"fixed":"05ada0b79dbcac93cc04ceb79b23ca598d07830c"}],"database_specific":{"source":["DESCRIPTION","REFERENCES"],"extracted_events":[{"introduced":"0"},{"fixed":"1.1.16"}]}}],"versions":["v1.1.16-beta.10","v1.1.16-beta.9","v1.1.16-beta.8","v1.1.16-beta.7","v1.1.16-beta.4","v1.1.16-beta.3","v1.1.15","v1.1.15-beta.7","v1.1.15-beta.6","v1.1.15-beta.5","v1.1.15-beta.4","v1.1.15-beta.3","v1.1.15-beta.2","v1.1.15-beta.1","v1.1.14","v1.1.14-beta.6","v1.1.14-beta.5","v1.1.14-beta.4","v1.1.14-beta.3","v1.1.14-beta.2","v1.1.14-beta.1","v1.1.13","v1.1.13-beta.3","v1.1.13-beta.2","v1.1.13-beta.1","v1.1.12","v1.1.12-beta.4","v1.1.12-beta.3","v1.1.12-beta.2","v1.1.11","v1.1.11-beta.1","v1.1.10","v1.1.10-beta.2","v1.1.10-beta.1","v1.1.9","v1.1.9-beta.1","v1.1.8","v1.1.8-beta.3","v1.1.8-beta.2","v1.1.8-beta.1","v1.1.7","v1.1.6","v1.1.5","v1.1.4","v1.1.4-beta.2","v1.1.4-beta.1","v1.1.3","v1.1.3-beta.6","v1.1.2","v1.1.2-beta.4","v1.1.2-beta.3","v1.1.2-beta.2","v1.1.2-beta.1","v1.1.1","v1.1.0","v1.0.23-beta.6","v1.0.23-beta.2","v1.0.22","v1.0.22-beta.4","v1.0.22-beta.3","v1.0.22-beta.2","v1.0.22-beta.1","v1.0.21","v1.0.20","v1.0.19","v1.0.18","v1.0.17","v1.0.16","v1.0.16-beta.2","v1.0.16-beta.1","v1.0.15","v1.0.14","v1.0.13","v1.0.12","v1.0.12-beta.3","v1.0.12-beta.2","v1.0.12-beta.1","v1.0.11","v1.0.11-beta.8","v1.0.11-beta.7","v1.0.11-beta.6","v1.0.11-beta.5","v1.0.11-beta.4","v1.0.11-beta.2","v1.0.10","v1.0.10-beta.3","v1.0.10-beta.2","v1.0.10-beta.1","v1.0.9","v1.0.9-beta.7","v1.0.9-beta.6","v1.0.9-beta.5","v1.0.9-beta.3","v1.0.9-beta.1","v1.0.8","v1.0.8-beta.4","v1.0.8-beta.2","v1.0.8-beta.1","v1.0.7","v1.0.6","v1.0.5","v1.0.4","v1.0.3","v1.0.2","v0.8.9-beta.2","v0.8.8","v0.8.8-beta.2","v0.8.8-beta.1","v0.8.7-beta.5","v0.8.7-beta.3","v0.8.7-beta.2","v0.8.7-beta.1","v0.8.6-beta.6","v0.8.6-beta.3","v0.8.6-beta.2","v0.8.6-beta.1","v0.8.5","v0.8.5-beta.3","v0.8.5-beta.2","v0.8.5-beta.1","v0.8.4","v0.8.4-beta.7","v0.8.4-beta.6","v0.8.4-beta.5","v0.8.4-beta.4","v0.8.3-beta.6","v0.8.3-beta.5","v0.8.3-beta.4","v0.8.3-beta.3","v0.8.2","v0.8.2-beta.3","v0.8.2-beta.1","v0.8.1","v0.8.1-beta.5","v0.8.1-beta.4","v0.8.1-beta.3","v0.8.1-beta.2","v0.8.1-beta.1","v0.8.0","v0.7.6-beta.4","v0.7.6-beta.3","v0.7.6-beta.2","v0.7.6-beta.1","v0.7.5","v0.7.5-beta.9","v0.7.5-beta.8","v0.7.5-beta.7","v0.7.5-beta.6","v0.7.5-beta.5","v0.7.5-beta.4","v0.7.5-beta.3","v0.7.5-beta.2","v0.7.5-beta.1","v0.7.4","v0.7.3","v0.7.3-beta.11","v0.7.3-beta.9","v0.7.3-beta.8","v0.7.3-beta.7","v0.7.3-beta.6","v0.7.3-beta.5","v0.7.3-beta.4","v0.7.3-beta.3","v0.7.3-beta.2","v0.7.3-beta.1","v0.7.2","v0.7.2-beta.5","v0.7.2-beta.4","v0.7.1","v0.7.1-beta.6","v0.7.1-beta.4","v0.7.1-beta.3","v0.7.1-beta.1","v0.7.0","v0.7.0-beta.1","v0.6.3-beta.5","v0.6.2","v0.6.2-beta.8","v0.6.1","v0.6.1-beta.9","v0.6.1-beta.7","v0.6.1-beta.5","v0.6.1-beta.4","v0.6.1-beta.3","v0.6.1-beta.2","v0.6.1-beta.1","v0.6.0","v0.6.0-beta.1","v0.5.4-beta.6","v0.5.4-beta.5","v0.5.4-beta.4","v0.5.4-beta.3","v0.5.3","v0.5.3-beta.17","v0.5.3-beta.16","v0.5.3-beta.15","v0.5.3-beta.13","v0.5.3-beta.11","v0.5.3-beta.9","v0.5.3-beta.8","v0.5.3-beta.7","v0.5.3-beta.6","v0.5.3-beta.5","v0.5.3-beta.4","v0.5.3-beta.3","v0.5.3-beta.2","v0.5.3-beta.1","v0.5.2-beta.20","v0.5.2-beta.18","v0.5.2-beta.17","v0.5.2-beta.16","v0.5.2-beta.14","v0.5.2-beta.13","v0.5.2-beta.12","v0.5.2-beta.11","v0.5.2-beta.10","v0.5.2-beta.9","v0.5.2-beta.8","v0.5.2-beta.7","v0.5.2-beta.6","v0.5.2-beta.5","v0.5.2-beta.2","v0.5.1","v0.5.1-beta.6","v0.5.1-beta.5","v0.5.1-beta.4","v0.5.1-beta.3","v0.5.1-beta.2","v0.5.1-beta.1","v0.5.0","v0.4.14-beta.2","v0.4.14-beta.1","v0.4.13","v0.4.12","v0.4.12-beta.7","v0.4.12-beta.5","v0.4.12-beta.4","v0.4.12-beta.3","v0.4.12-beta.2","v0.4.12-beta.1","v0.4.11","v0.4.11-beta.3","v0.4.11-beta.2","v0.4.11-beta.1","v0.4.10","v0.4.10-beta.5","v0.4.10-beta.4","v0.4.9-beta.11","v0.4.9-beta.7","v0.4.9-beta.10","v0.4.9-beta.9","v0.4.9-beta.8","v0.4.9-beta.6","v0.4.9-beta.5","v0.4.9-beta.4","v0.4.9-beta.3","v0.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