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vuln-cve/data/2025/71xxx/CVE-2025-71404.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2025-71404",
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"state": "PUBLISHED",
"assignerShortName": "VulnCheck",
"dateReserved": "2026-07-18T12:38:41.077Z",
"datePublished": "2026-08-01T12:22:17.885Z",
"dateUpdated": "2026-08-03T15:38:00.141Z"
},
"containers": {
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"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck",
"dateUpdated": "2026-08-01T12:22:17.885Z"
},
"datePublic": "2025-02-05T00:00:00.000Z",
"title": "better-auth before 1.1.16 Reflected XSS via error parameter",
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"description": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')",
"cweId": "CWE-79",
"type": "CWE"
}
]
}
],
"affected": [
{
"vendor": "better-auth",
"product": "better-auth",
"defaultStatus": "unaffected",
"packageURL": "pkg:npm/better-auth",
"versions": [
{
"version": "0",
"status": "affected",
"versionType": "semver",
"lessThan": "1.1.16"
},
{
"version": "1.1.16",
"status": "unaffected",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:better-auth:better-auth\\/oauth-provider:*:*:*:*:*:node.js:*:*",
"versionEndExcluding": "1.1.16"
}
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"format": "CVSS",
"cvssV4_0": {
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "ACTIVE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "LOW",
"vulnAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"baseScore": 5.1,
"baseSeverity": "MEDIUM"
}
}
],
"references": [
{
"url": "https://github.com/better-auth/better-auth/security/advisories/GHSA-9x4v-xfq5-m8x5",
"tags": [
"vendor-advisory"
],
"name": "GitHub Security Advisory (GHSA-9x4v-xfq5-m8x5)"
},
{
"url": "https://github.com/better-auth/better-auth/commit/05ada0b79dbcac93cc04ceb79b23ca598d07830c",
"tags": [
"patch"
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"name": "Patch Commit"
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{
"name": "VulnCheck Advisory: better-auth before 1.1.16 Reflected XSS via error parameter",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/better-auth-before-reflected-xss-via-error-parameter"
}
],
"credits": [
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"lang": "en",
"value": "Eriner",
"type": "reporter"
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"metrics": [
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"other": {
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"content": {
"timestamp": "2026-08-03T15:00:29.984329Z",
"id": "CVE-2025-71404",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
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],
"title": "CISA ADP Vulnrichment",
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}