High severityJavaScript / TypeScriptInjectionHIGH confidence
Code Injection Tainted Input
Untrusted request data flows into a dynamic code-evaluation sink (eval/Function/vm), enabling arbitrary code execution.
Standards mapping
- OWASP Top 10
- A03:2021 - Injection
- OWASP ASVS
- V5.3.6 (L1)
Vulnerable vs. safe
Flagged by this check
vm.runInNewContext(req.body.code);Passes - the safe pattern
vm.runInNewContext("1 + 1");Why it matters & how to fix it
Untrusted request data flows into a dynamic code-evaluation sink (eval/Function/vm), enabling arbitrary code execution. Never evaluate request-derived strings; parse data explicitly instead.
References
Rule ID integsec-js-code-injection-taint - engine: Opengrep - license: MIT - Copyright (c) IntegSec Inc.
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