HTTP communication with user-controlled destination detected.

• Rule ID: javascript_lang_http_url_using_user_input
• Languages: javascript
• Source: http_url_using_user_input.yml

Description

Applications should not connect to locations formed from user input. This rule checks for URLs containing user-supplied data.

Remediations

❌ Avoid using user input in HTTP URLs:

const response = axios.get(`https://${req.params.host}`)

✅ Use user input indirectly to form a URL:

const hosts = new Map([
  ["option1", "api1.com"],
  ["option2", "api2.com"]
])

const host = hosts.get(req.params.host)
const response = axois.get(`https://${host}`)

Associated CWE

• CWE-918: Server-Side Request Forgery (SSRF)

OWASP Top 10

• A10:2021 - Server-side Request Forgery (SSRF)