WebSockets Vulnerabilities

Cross-platform resources for WebSockets Vulnerabilities: curated HTB machines, PortSwigger labs and TryHackMe rooms with validated writeups and related skills.

WebSockets Vulnerabilities

This page aggregates cross-platform resources to practice WebSockets Vulnerabilities: retired Hack The Box machines, PortSwigger Web Security Academy labs and TryHackMe rooms, plus curated resources (HackTricks, PortSwigger, etc.) and related skills.

Curated resources

Source	Link
PortSwigger	https://portswigger.net/web-security/websockets

HTB machines practicing WebSockets Vulnerabilities (1)

Machine	OS	Difficulty
MultiMaster	Windows	INSANE

PortSwigger labs practicing WebSockets Vulnerabilities (2)

Lab	Difficulty	Topic	Official
Manipulating WebSocket messages to exploit vulnerabilities	APPRENTICE	WebSockets	Open
Manipulating the WebSocket handshake to exploit vulnerabilities	PRACTITIONER	WebSockets	Open

TryHackMe rooms practicing WebSockets Vulnerabilities (2)

Room	Difficulty	Type	Access	Official
AWS API Gateway	MEDIUM	Walkthrough	🟢 Free	Open
Request Smuggling: WebSockets	MEDIUM	Walkthrough	🔵 VIP	Open

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Last updated: 2026-06-07