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CVE-2026-53668— React Router: Open redirect can lead to XSS

Quick assessment

Affected
remix-run react-router
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

remix-run react-router是remix-run的路由管理库。 remix-run react-router 6.30.2版本至6.30.4版本和7.9.6版本至7.12.0版本存在安全漏洞，该漏洞源于允许开放重定向，容易受到跨站脚本攻击。

CVSS 6.9 · Medium EPSS 0.34% · P25

Affected Version Matrix 2

VendorProduct Version RangeStatus
remix-run react-router >= 6.30.2, <= 6.30.4 affected
>= 7.9.6, < 7.13.0 affected
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I. Basic Information for CVE-2026-53668

Vulnerability Information
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Vulnerability Title
React Router: Open redirect can lead to XSS
Source: CVE Program / CVE List V5
Vulnerability Description
React Router is a router for React. In versions 6.30.2 through 6.30.4 and 7.9.6 through 7.12.0, applications that allow open redirects are vulnerable to XSS. An attacker could craft a malicious link that redirects users to an unexpected external site or that exploits an XSS vector.This issue has been fixed in version 7.13.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: CVE Program / CVE List V5
Vulnerability Title
remix-run react-router 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
remix-run react-router是remix-run的路由管理库。 remix-run react-router 6.30.2版本至6.30.4版本和7.9.6版本至7.12.0版本存在安全漏洞，该漏洞源于允许开放重定向，容易受到跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
remix-run react-router >= 6.30.2, <= 6.30.4 -

II. Public POCs for CVE-2026-53668

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III. Intelligence Information for CVE-2026-53668

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Patches & Fixes for CVE-2026-53668 (2)

Vendor Advisories for CVE-2026-53668 (1)

Vendor Pages for CVE-2026-53668 (1)

Same Patch Batch · remix-run · 2026-07-27 · 5 CVEs total

CVE-2026-55685 8.7 HIGH React Router: Unauthenticated Denial of Service via Inefficient Route Matching
CVE-2026-53667 6.9 MEDIUM React Router: Cross-site Scripting is Possible due to Missing RSCErrorHandler Protocol Val
CVE-2026-53666 6.1 MEDIUM React Router: Arbitrary Constructor Injection via deserializeErrors() in React Router SSR
CVE-2026-53669 5.1 MEDIUM React Router: Open redirect via backslash in <Link> and useNavigate (CVE-2025-68470 bypass

IV. Related Vulnerabilities

Same product: react-router
Same vendor: remix-run
Same weakness: CWE-601

V. Comments for CVE-2026-53668

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