VNX-472 – External Control of Assumed-Immutable Web Parameter

Overview

VNX-472 maps to CWE-472: External Control of Assumed-Immutable Web Parameter. Detects source patterns associated with CWE-472 (External Control of Assumed-Immutable Web Parameter). Each finding should be manually reviewed for exploitability in context.

Severity: Medium | CWE: CWE-472 | Languages: node

Why This Matters

This weakness class (External Control of Assumed-Immutable Web Parameter) creates a concrete exploit surface: the rule searches for the concrete source-level patterns most commonly associated with CWE-472 and surfaces them for review. Each finding should be evaluated in context — the rule catches the pattern, not the context.

What Gets Flagged

// FLAGGED: contains '<input type="hidden' pattern
<input type="hidden

Remediation

  1. Review each flagged line and determine whether the pattern represents a real instance of CWE-472 or a false positive.
  2. Replace the flagged construct with a documented safe alternative appropriate to your language and framework.
  3. For confirmed false positives, add a # vulnetix-ignore: VNX-472 comment on the line.
  4. Ensure equivalent test coverage exists to prevent regression.

References