CVE-2025-53535 Better Auth has an Open Redirect Vulnerability in originCheck Middleware Affecting Multiple Routes

Better Auth is an authentication and authorization library for TypeScript. An open redirect has been found in the originCheck middleware function, which affects the following routes: /verify-email, /reset-password/:token, /delete-user/callback, /magic-link/verify, /oauth-proxy-callback. This...

CVE-2025-53535

Better Auth Open Redirect (CVE-2025-53535) involves the TypeScript authentication/authorization library where the originCheck middleware incorrectly validates URLs, enabling an open redirect on routes including /verify-email, /reset-password/:token, /delete-user/callback, /magic-link/verify, and ...

CVE-2025-53535 Better Auth has an Open Redirect Vulnerability in originCheck Middleware Affecting Multiple Routes

Better Auth is an authentication and authorization library for TypeScript. An open redirect has been found in the originCheck middleware function, which affects the following routes: /verify-email, /reset-password/:token, /delete-user/callback, /magic-link/verify, /oauth-proxy-callback. This...

Better Auth 输入验证错误漏洞

Better Auth is a TypeScript's most comprehensive authentication framework open-sourced by Better Auth. An input validation error vulnerability exists in versions of Better Auth prior to 1.2.10, which stems from the presence of an open redirect in the originCheck middleware function, which could...

PT-2025-28223 · Unknown · Better Auth

Name of the Vulnerable Software and Affected Versions: Better Auth versions prior to 1.2.10 Description: An open redirect issue has been found in the originCheck middleware function of Better Auth, an authentication and authorization library for TypeScript. The affected routes include...

CVE-2025-53535

creationtimestamp| type| source ---|---|--- 2025-07-06 06:31:33+00:00| published-proof-of-concept| https://github.com/better-auth/better-auth/security/advisories/GHSA-36rg-gfq2-3h56...

better-auth-cloudflare (0.1.0) potentially affected by CVE-2025-6087 +1 more via @opennextjs/cloudflare (1.0.1)

@opennextjs/cloudflare NPM version 1.0.1 is affected by a known vulnerability. The following packages have a transitive dependency on @opennextjs/cloudflare and may be impacted: - better-auth-cloudflare 0.1.0 Source cves: CVE-2025-6087, CVE-2026-3125 Source advisory: OSV:GHSA-RVPW-P7VW-WJ3M...

CVE-2025-27143

Better Auth is an authentication and authorization library for TypeScript. Prior to version 1.1.21, the application is vulnerable to an open redirect due to improper validation of the callbackURL parameter in the email verification endpoint and any other endpoint that accepts callback url. While...

CVE-2025-27143

Better Auth is an authentication and authorization library for TypeScript. Prior to version 1.1.21, the application is vulnerable to an open redirect due to improper validation of the callbackURL parameter in the email verification endpoint and any other endpoint that accepts callback url. While...

CVE-2025-27143 Beter Auth has an Open Redirect via Scheme-Less Callback Parameter

Better Auth is an authentication and authorization library for TypeScript. Prior to version 1.1.21, the application is vulnerable to an open redirect due to improper validation of the callbackURL parameter in the email verification endpoint and any other endpoint that accepts callback url. While...

CVE-2025-27143 Beter Auth has an Open Redirect via Scheme-Less Callback Parameter

Better Auth is an authentication and authorization library for TypeScript. Prior to version 1.1.21, the application is vulnerable to an open redirect due to improper validation of the callbackURL parameter in the email verification endpoint and any other endpoint that accepts callback url. While...

@better-auth/cli (>=1.0.0-canary.2, <=1.1.20), @silgi/better-auth (>=0.0.5, <=0.0.12) +1 more potentially affected by CVE-2025-71403 via better-auth (>=1.0.0, <=1.1.20-beta.5)

better-auth NPM version =1.0.0, =1.0.0-canary.2, =0.0.5, =1.1.368, =1.1.416 Source cves: CVE-2025-71403 Source advisory: OSV:GHSA-VP58-J275-797X...

@better-auth/cli (>=1.0.0-canary.2, <=1.1.19), @silgi/better-auth (>=0.0.5, <=0.0.12) +1 more potentially affected by CVE-2025-27143 via better-auth (>=1.0.0, <=1.1.19-beta.3)

better-auth NPM version =1.0.0, =1.0.0-canary.2, =0.0.5, =1.1.368, =1.1.416 Source cves: CVE-2025-27143 Source advisory: OSV:GHSA-HJPM-7MRM-26W8...

Better Auth 输入验证错误漏洞

Better Auth is a TypeScript's most comprehensive authentication framework open-sourced by Better Auth. An input validation error vulnerability exists in versions of Better Auth prior to 1.1.21 that stems from improper validation of the callbackURL parameter in the email validation endpoint and an...

The vulnerability of the TypeScript-based authentication library Better Auth, related to the lack of protective measures for website structure, allows attackers to perform cross-site scripting attacks.

The vulnerability of the TypeScript-based authentication library Better Auth relates to the lack of measures taken to protect the website structure when processing the error parameter. Exploiting this vulnerability allows a malicious actor to perform cross-site scripting attacks remotely...

Reflected Cross-Site Scripting (Reflected XSS)

Better-auth is vulnerable to Reflected cross-site scripting XSS. The vulnerability is due to HTML injection due to improper handling of user input on the /api/auth/error page, allowing an attacker to execute arbitrary JavaScript in a victim’s browser...

GHSA-9X4V-XFQ5-M8X5 Better Auth URL parameter HTML Injection (Reflected Cross-Site scripting)

Summary The better-auth /api/auth/error page was vulnerable to HTML injection, resulting in a reflected cross-site scripting XSS vulnerability. Details The value of error URL parameter was reflected as HTML on the error page:...

@better-auth/cli (>=0.0.1, <=1.1.15), @vxrn/better-auth (>=1.1.368, <=1.1.416) +2 more potentially affected by CVE-2025-71404 via better-auth (>=0.4.9, <=1.1.15-beta.7)

better-auth NPM version =0.4.9, =0.0.1, =1.1.368, =1.1.0, =1.1.2 - better-auth-monitor 1.0.0 Source cves: CVE-2025-71404 Source advisory: OSV:GHSA-9X4V-XFQ5-M8X5...

Better Auth URL parameter HTML Injection (Reflected Cross-Site scripting)

Summary The better-auth /api/auth/error page was vulnerable to HTML injection, resulting in a reflected cross-site scripting XSS vulnerability. Details The value of error URL parameter was reflected as HTML on the error page:...

PT-2025-62898

Name of the Vulnerable Software and Affected Versions better-auth versions 0.0.3 through 1.1.15 Description A reflected cross-site scripting XSS issue exists on the '/api/auth/error' endpoint. The application reflects the value of the error URL parameter as HTML without proper neutralization,...