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Improper Neutralization of Script in an Error Message Web Page

CVE-2019-25027

Medium
6.1/10

Summary

Missing output sanitization in default RouteNotFoundError view in com.vaadin:flow-server versions 1.0.0 through 1.0.10 and 1.1.0 through 1.4.3, and com.vaadin:flow-client versions 1.0.0 through 1.0.10 and 1.1.0 through 1.4.3 allows attacker to execute malicious JavaScript via crafted URL.

  • LOW
  • NETWORK
  • LOW
  • CHANGED
  • REQUIRED
  • NONE
  • LOW
  • NONE

CWE-81 - Improper Neutralization of Script in an Error Message Web Page

The software receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters that could be interpreted as web-scripting elements when they are sent to an error page.

References

Advisory Timeline

  • Published