DOM Clobbering, Prototype Pollution and XSS Walkthrough - Amateurs CTF 2023

DOM Clobbering, Prototype Pollution and XSS Walkthrough - Amateurs CTF 2023

CryptoCat via YouTube Direct link

Attack plan

6 of 11

6 of 11

Attack plan

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DOM Clobbering, Prototype Pollution and XSS Walkthrough - Amateurs CTF 2023

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  1. 1 Start
  2. 2 Explore functionality
  3. 3 Code review
  4. 4 Vulnerability chain breakdown
  5. 5 Browser issue detour
  6. 6 Attack plan
  7. 7 Step 1: Clobber the DOM
  8. 8 Step 2: Protoype Pollution
  9. 9 Step 3: XSS steal cookie
  10. 10 Recap
  11. 11 End

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