The 10 Most Common Bugs of 2021 So Far, and How to Find Them!

Published

2021-02-06 00:00

Collected

2026-07-01 23:45

---
id: 939
title: "The 10 Most Common Bugs of 2021 So Far, and How to Find Them!"
source_domain: bugcrowd.com
source_url: "https://www.bugcrowd.com/blog/common-bugs-of-2021/"
published_at: "2021-02-06T00:00:00Z"
tags: ["bug-bounty", "rce", "csrf", "bug-hunting", "common-vulnerabilities", "open-redirect", "vulnerability-statistics"]
phying_url: "https://phying.com/item/939"
lang: en
---

# The 10 Most Common Bugs of 2021 So Far, and How to Find Them!

## Summary

Hakluke ranks the 10 most common valid bug classes reported on Bugcrowd in January 2021 — from RCE down through open redirect and CSRF — and shares hunting tips and payload resources for each.

## Intelligence Metadata

- **Sources:** bugcrowd.com
- **Published:** 2021-02-06T00:00:00Z
- **Original:** https://www.bugcrowd.com/blog/common-bugs-of-2021/
- **Phying News:** https://phying.com/item/939