Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2025-59057— React Router has XSS Vulnerability

Quick assessment

Affected
remix-run react-router
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

react-router是Remix开源的一个 React 的声明式路由。 react-router 7.0.0版本至7.8.2版本存在跨站脚本漏洞，该漏洞源于在框架模式下生成script:ld+json标签时存在跨站脚本漏洞，可能导致服务器端渲染期间执行任意JavaScript。

CVSS 7.6 · High EPSS 0.50% · P41

Affected Version Matrix 2

VendorProduct Version RangeStatus
remix-run react-router @remix-run/react >= 1.15.0, < 2.17.1 affected
react-router >= 7.0.0, < 7.9.0 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2025-59057

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
React Router has XSS Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
React Router is a router for React. In @remix-run/react versions 1.15.0 through 2.17.0. and react-router versions 7.0.0 through 7.8.2, a XSS vulnerability exists in in React Router's meta()/<Meta> APIs in Framework Mode when generating script:ld+json tags which could allow arbitrary JavaScript execution during SSR if untrusted content is used to generate the tag. There is no impact if the application is being used in Declarative Mode (<BrowserRouter>) or Data Mode (createBrowserRouter/<RouterProvider>). This issue has been patched in @remix-run/react version 2.17.1 and react-router version 7.9.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
react-router 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
react-router是Remix开源的一个 React 的声明式路由。 react-router 7.0.0版本至7.8.2版本存在跨站脚本漏洞，该漏洞源于在框架模式下生成script:ld+json标签时存在跨站脚本漏洞，可能导致服务器端渲染期间执行任意JavaScript。
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 @remix-run/react >= 1.15.0, < 2.17.1 -

II. Public POCs for CVE-2025-59057

# POC Description Source Link Shenlong Link
1 A XSS vulnerability exists in in React Router's meta()/<Meta> APIs in Framework Mode when generating script:ld+json tags which could allow arbitrary JavaScript execution during SSR if untrusted content is used to generate the tag. https://github.com/boroeurnprach/CVE-2025-59057-PoC POC Details
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2025-59057

请登录查看更多情报信息。

Vendor Advisories for CVE-2025-59057 (1)

Same Patch Batch · remix-run · 2026-01-10 · 6 CVEs total

CVE-2025-61686 9.1 CRITICAL React Router has Path Traversal in File Session Storage
CVE-2026-21884 8.2 HIGH React Router SSR XSS in ScrollRestoration
CVE-2026-22029 8.0 HIGH React Router vulnerable to XSS via Open Redirects
CVE-2026-22030 6.5 MEDIUM React Router has CSRF issue in Action/Server Action Request Processing
CVE-2025-68470 6.5 MEDIUM React Router has unexpected external redirect via untrusted paths

IV. Related Vulnerabilities

Same product: react-router
Same vendor: remix-run
Same weakness: CWE-79

V. Comments for CVE-2025-59057

No comments yet

Leave a comment