Breach404
Back to Insights
Cybersecurity2 min readJuly 13, 2026

Hackers backdoor Jscrambler npm package with infostealer malware

Attackers compromised the Jscrambler npm package and injected infostealer malware that was downloaded nearly 1,500 times, potentially exposing sensitive data from developers who installed the compromised version. You should immediately audit your npm depe

Could your website be vulnerable to attacks like this?

Run a free 10-point security scan on your site — headers, SSL, DNS, and more. Results in 15 seconds.

Test Your Site Now — It's Free