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CVE-2025-55173— Next.js Content Injection Vulnerability for Image Optimization

Quick assessment

Affected
vercel next.js
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Next.js是Vercel开源的一个 React 框架。 Next.js 14.2.31之前版本和15.0.0至15.4.5之前版本存在输入验证错误漏洞，该漏洞源于图像优化功能内容注入，可能导致钓鱼攻击。

CVSS 4.3 · Medium EPSS 0.55% · P44

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2025-55173

Vulnerability Information
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Vulnerability Title
Next.js Content Injection Vulnerability for Image Optimization
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Next.js 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Next.js是Vercel开源的一个 React 框架。 Next.js 14.2.31之前版本和15.0.0至15.4.5之前版本存在输入验证错误漏洞，该漏洞源于图像优化功能内容注入，可能导致钓鱼攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
vercel next.js >= 15.0.0, < 15.4.5 -

II. Public POCs for CVE-2025-55173

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III. Intelligence Information for CVE-2025-55173

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Same Patch Batch · vercel · 2025-08-29 · 3 CVEs total

CVE-2025-57822 6.5 MEDIUM Next.js Improper Middleware Redirect Handling Leads to SSRF
CVE-2025-57752 6.2 MEDIUM Next.js Affected by Cache Key Confusion for Image Optimization API Routes

IV. Related Vulnerabilities

Same product: next.js
Same vendor: vercel
Same weakness: CWE-20

V. Comments for CVE-2025-55173

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