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Nuclei Templates

Missing Nginx XSS Protection

ID: file-missing-nginx-xss-protection

Severity: high

Author: pussycat0x

Tags: audit,file,nginx,hardening

Description

Section titled “Description”

Ensures that XSS protection is enabled in Nginx by checking for the ‘X-XSS-Protection’ header.

YAML Source

Section titled “YAML Source”
id: file-missing-nginx-xss-protection


info:
  name: Missing Nginx XSS Protection
  author: pussycat0x
  severity: high
  description: |
    Ensures that XSS protection is enabled in Nginx by checking for the 'X-XSS-Protection' header.
  reference:
    - https://wiki.devsecopsguides.com/docs/checklists/nginx/
    - https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-XSS-Protection
  metadata:
    verified: true
  tags: audit,file,nginx,hardening


file:
  - extensions:
      - conf


    matchers-condition: and
    matchers:
      - type: word
        words:
          - "http"
          - "events"
        condition: and


      - type: word
        words:
          - 'add_header X-XSS-Protection'
          - 'mode=block'
        condition: and
        negative: true
# digest: 4a0a0047304502203fd4524eeb1648448330a15368b0b044eacc605b736f50597020491cf5537ab80221009089e89873ef07800646393299c6ceaaae76b666097ce8106a4ba804ce271907:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "file/audit/nginx/file-missing-nginx-xss-protection.yaml"

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