dev.to· Sep 1, 2026· by a-abdellatif98

The Security Fix That Would Have Silently Broken My Feature

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I recently shipped Mermaid diagram support to Forem, the open source platform that powers DEV. Fenced...
🎯 Vulnerability: Remote Code Execution (RCE)
💡 Defense Fix: Avoid executing shell commands via system(). Use parameterized APIs and strict input sanitization.
#opensource#security#javascript#webdev