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Improper Input Validation in next

CVE-2025-55173

  • next
Low
3.5/10

Summary

Next.js is a React framework for building full-stack web applications. In versions through 14.2.30, 15.0.0-rc.0 through 15.4.2-canary.18, 15.4.3 and 15.4.4, Next.js Image Optimization is vulnerable to Content Injection. The issue allowed attacker-controlled external image sources to trigger file downloads with arbitrary content and filenames under specific configurations. This behaviour could be abused for phishing or malicious file delivery.

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

CWE-20 - Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References

Advisory Timeline

  • Published