swisskyrepo/PayloadsAllTheThings
A list of useful payloads and bypass for Web Application Security and Pentest/CTF
What it does
PayloadsAllTheThings is a massive, community-built reference library used by security professionals to test websites and applications for vulnerabilities — essentially a cookbook of attack techniques that ethical hackers use to find weaknesses before bad actors do. With over 75,000 people starring it on GitHub, it has become one of the most widely used free resources in the cybersecurity industry for identifying and understanding how web applications can be compromised.
Why it matters for PMs
For PMs and founders, this project signals how large and active the 'ethical hacking' and bug bounty market is — companies increasingly pay security researchers to find flaws in their products, and tools like this are the standard playbook those researchers use. If your product is web-facing, understanding that this library exists and is widely used is a reminder that security testing is not optional, and that the techniques to probe your application are freely and broadly available.
Early stage — limited signal data
Score updated Feb 18, 2026
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