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Vulnerabilities

Vulnerability · CVE-2025-59057

React Router is a router for React.

Published Jan 10, 2026 · catalog updated Jul 15, 2026 · React Router is a

Last checked Nov 7, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-59057. EPSS is 0.50%. Act only if a listed version of React Router is a is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (React Router is a).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.6
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.50%
Remediation
Version ranges on file
Affected products
vendor remix-run react-router react-router 7.0.0, < 7.9.0

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()/ 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 ( ) or Data Mode (createBrowserRouter/ ). This issue has been patched in @remix-run/react version 2.17.1 and react-router version 7.9.0.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor remix-run react-router react-router 7.0.0, < 7.9.0react-router 7.0.0, < 7.9.0

How to fix CVE-2025-59057

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-59057. EPSS is 0.50%. Act only if a listed version of React Router is a is installed.

Which versions are affected?

Compare what you have installed with remix-run react-router react-router 7.0.0, < 7.9.0 react-router 7.0.0, < 7.9.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.50%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

React security

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 10, 2026 · EUVD

    Detected

    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()/ 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

  2. Jul 15, 2026 · EUVD

    Updated

    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()/ 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

Sources

  • CVE.orgVulnerability recordCVE-2025-59057

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-59057

    30-day exploitation probability 0.50%

    first.org
  • EUVDVulnerability recordEUVD-2026-1469

    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()/ APIs in Framework Mode when generating script:ld+json tags which could allow arbitrary Ja

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 7, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 7, 2026
  • CVE.orgOct 29, 2026
  • EUVDOct 29, 2026