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Access of Resource Using Incompatible Type ('Type Confusion')

CVE-2025-59717

High
9.8/10

Summary

In the @digitalocean/do-markdownit package, the "callout" and "fence_environment" plugins perform ".includes" substring matching if "allowedClasses" or "allowedEnvironments" is a string (instead of an array).

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • NONE
  • HIGH
  • HIGH

CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')

The program allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

References

Advisory Timeline

  • Published