GHSA-36rg-gfq2-3h56
Suggest an improvement- Source
- https://github.com/advisories/GHSA-36rg-gfq2-3h56
- Import Source
- https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/07/GHSA-36rg-gfq2-3h56/GHSA-36rg-gfq2-3h56.json
- JSON Data
- https://api.osv.dev/v1/vulns/GHSA-36rg-gfq2-3h56
- Aliases
- Published
- 2025-07-07T22:13:14Z
- Modified
- 2025-07-07T22:59:37Z
- Severity
-
- 2.1 (Low) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X CVSS Calculator
- Summary
- Better Auth Open Redirect Vulnerability in originCheck Middleware Affects Multiple Routes
- Details
-
Summary
An open redirect has been found in the
originCheckmiddleware function, which affects the following routes:/verify-email,/reset-password/:token,/delete-user/callback,/magic-link/verify,/oauth-proxy-callback.Details
In the
matchesPatternfunction,url.startsWith(can be deceived with aurlthat starts with one of thetrustedOrigins.const matchesPattern = (url: string, pattern: string): boolean => { if (url.startsWith("/")) { return false; } if (pattern.includes("*")) { return wildcardMatch(pattern)(getHost(url)); } return url.startsWith(pattern); };Open Redirect PoCs
export const auth = betterAuth({ baseURL: 'http://localhost:3000', trustedOrigins: [ "http://trusted.com" ], emailAndPassword: { ... }, })/reset-password/:token
/verify-email
/delete-user/callback
/magic-link/verify
/oauth-proxy-callback
Impact
Untrusted open redirects in various routes.
- Database specific
{ "cwe_ids": [ "CWE-601" ], "github_reviewed": true, "github_reviewed_at": "2025-07-07T22:13:14Z", "nvd_published_at": "2025-07-07T18:15:28Z", "severity": "LOW" }- References
Affected packages
npm / better-auth
Package
- Name
- better-auth
- View open source insights on deps.dev
- Purl
- pkg:npm/better-auth