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Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in astro

CVE-2025-64764

  • astro
Medium
5.4/10

Summary

Astro is a web framework. Prior to version 5.15.8, a reflected Cross-Site Scripting (XSS) vulnerability is present when the server islands feature is used in the targeted application, regardless of what was intended by the component template(s). This issue has been patched in version 5.15.8.

  • LOW
  • NETWORK
  • LOW
  • UNCHANGED
  • REQUIRED
  • NONE
  • LOW
  • NONE

CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

The software receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages.

References

Advisory Timeline

  • Published