EUVD-2025-197614

npm package expr-eval is vulnerable to Prototype Pollution. An attacker with access to express eval interface can use JavaScript prototype-based inheritance model to achieve arbitrary code execution. The npm expr-eval-fork package resolves this issue...

Prototype Pollution

Overview expr-eval-fork is a Mathematical expression evaluator fork with prototype pollution fix Affected versions of this package are vulnerable to Prototype Pollution via the evaluation process, which accesses global values by searching for item.value in expr.functions. An attacker can access...