---
id: 5217
title: "Web2 Bugs Hiding in Web3: The Smart Contract Security Blind Spot"
source_domain: hackenproof.com
source_url: "https://hackenproof.com/blog/web2-bugs-web3-smart-contract-security"
published_at: "2026-07-10 09:55"
tags: ["supply-chain", "web3", "vulnerability-research", "smart-contracts", "web-security", "xss", "cache-invalidation"]
phying_url: "https://phying.com/item/5217"
lang: en
---

# Web2 Bugs Hiding in Web3: The Smart Contract Security Blind Spot

## Summary

Explains why Web2 bug classes — XSS, injection, supply-chain and cache flaws — keep draining Web3 protocols, using the Sablier, pNetwork, BadgerDAO and Aptos cases plus audit checklists.

## Intelligence Metadata

- **Sources:** hackenproof.com
- **Published:** 2026-07-10 09:55
- **Original:** https://hackenproof.com/blog/web2-bugs-web3-smart-contract-security
- **Phying News:** https://phying.com/item/5217