Web shell upload via extension blacklist bypass

PortSwigger Web Security Academy lab: Web shell upload via extension blacklist bypass. Topic: File Upload Vulnerabilities.

$ tldr PortSwigger · File Upload Vulnerabilities

·	·
Platform	PortSwigger Web Security Academy
Topic	File Upload Vulnerabilities
Difficulty	PRACTITIONER
Official lab	Open

Solve the lab

Language	Author	Format	Link
🇬🇧 EN	PortSwigger	Texto	Open

Resources by skill

Skill	Source	Link
File Upload Vulnerabilities	PortSwigger	Open

Related skills

File Upload Vulnerabilities

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Last updated: 2026-05-08