VNX-1236 – Improper Neutralization of Formula Elements in a CSV File

Overview

VNX-1236 maps to CWE-1236: Improper Neutralization of Formula Elements in a CSV File. Detects source patterns associated with CWE-1236 (Improper Neutralization of Formula Elements in a CSV File). Each finding should be manually reviewed for exploitability in context.

Severity: Medium | CWE: CWE-1236 | Languages: java, node, python

Why This Matters

This weakness class (Improper Neutralization of Formula Elements in a CSV File) creates a concrete exploit surface: the rule searches for the concrete source-level patterns most commonly associated with CWE-1236 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 'writeCSV' pattern
writeCSV

Remediation

  1. Review each flagged line and determine whether the pattern represents a real instance of CWE-1236 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-1236 comment on the line.
  4. Ensure equivalent test coverage exists to prevent regression.

References