Vulnerability Description
Next.js is a React framework for building full-stack web applications. In versions before 14.2.31 and from 15.0.0 to before 15.4.5, 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 behavior could be abused for phishing or malicious file delivery. This vulnerability has been fixed in Next.js versions 14.2.31 and 15.4.5.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Vercel | Next.Js | < 14.2.31 |
Related Weaknesses (CWE)
References
- https://github.com/vercel/next.js/commit/6b12c60c61ee80cb0443ccd20de82ca9b4422ddPatch
- https://github.com/vercel/next.js/security/advisories/GHSA-xv57-4mr9-wg8vVendor Advisory
- https://vercel.com/changelog/cve-2025-55173Vendor Advisory
FAQ
What is CVE-2025-55173?
CVE-2025-55173 is a vulnerability with a CVSS score of 4.3 (MEDIUM). Next.js is a React framework for building full-stack web applications. In versions before 14.2.31 and from 15.0.0 to before 15.4.5, Next.js Image Optimization is vulnerable to content injection. The i...
How severe is CVE-2025-55173?
CVE-2025-55173 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-55173?
Check the references section above for vendor advisories and patch information. Affected products include: Vercel Next.Js.