Next Js
CVE-2018-18282
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 6.1 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. |
| Exploit ScenarioDerived | A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
Next.js 7.0.0 and 7.0.1 has XSS via the 404 or 500 /_error page. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in npm
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Next.js 7.0.0 and 7.0.1 has XSS via the 404 or 500 /_error page. Affected products include: Zeit Next.Js.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
Next.js 7.0.0 and 7.0.1 has XSS via the 404 or 500 /_error page.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.
Affected Products (CPE)NVD
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ZEIT Next.js before 2.4.1 has directory traversal under the /_next and /static request namespace, allowing attackers to
Pre-authentication denial of service in React Server Components (versions 19.0.0 through 19.2.1) allows unauthenticated
Information disclosure in React Server Components 19.x, distributed as react-server-dom-webpack, react-server-dom-turbop
Path traversal in Next.js (13.4.0 through 15.5.23 and 16.x before 16.3.3) running on Windows-hosted servers lets a remot
Server-side request forgery in Vercel Next.js affects self-hosted deployments whose custom middleware calls next()/NextR
Next.js is a React framework that can provide building blocks to create web applications. Rated high severity (CVSS 7.5)
Next.js before 13.4.20-canary.13 lacks a cache-control header and thus empty prefetch responses may sometimes be cached
ZEIT Next.js 4 before 4.2.3 has Directory Traversal under the /_next request namespace. Rated high severity (CVSS 7.5),
Unsafe deserialization in React Server Components Server Function endpoints allows remote unauthenticated attackers to t
Server-side request forgery in the Next.js Image Optimization endpoint lets a remote, unauthenticated attacker cause the
Next.js versions before 9.3.2 have a directory traversal vulnerability. Rated medium severity (CVSS 4.3), this vulnerabi
Exploit-DB