Silent Arithmetic: How Implicit Type Coercion in CMS Payment Fields Creates Systematic Billing Errors
CMS platforms apply implicit type conversions on numeric fields as a matter of routine, and when those fields carry payment values—currency amounts, tax rates, discount multipliers—the conversions introduce systematic errors that compound silently across transaction volumes. The individual discrepancy is often too small to trigger an alert; the aggregate impact across thousands of billing cycles is not. This article investigates the mechanics of the problem, presents detection techniques applica