HTML Smuggling
N/A
HTML走私
HTML Smuggling · N/A · HTML走私 · aych-tee-em-el SMUG-ling · HTML smuggle · JS blob download · Cybersecurity · phishing · delivery · webCybersecurityHTML smuggle JS blob download/aych-tee-em-el SMUG-ling/
Also known as: HTML smuggle, JS blob download
Last updated August 9, 2026
Definition
HTML smuggling builds a malicious file in the browser with JavaScript so network filters may not see a traditional download URL.
Real-World Example
A phishing page that generates an ISO/ZIP locally via JS blobs to bypass secure email gateways.
References
Related terms
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