Silentmatt Expr-eval vulnerabilities
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Published CVEs affecting Silentmatt Expr-eval: 2 record(s), with affected versions and fixes.
CVE-2025-13204
High · 7.3
CWE-1321 Nov 14, 2025
CVE-2025-13204
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.
CVE-2025-12735
Critical · 9.8
CWE-94 Nov 4, 2025
CVE-2025-12735
The expr-eval library is a JavaScript expression parser and evaluator designed to safely evaluate mathematical expressions with user-defined variables. However, due to insufficient input validation, an attacker can pass a crafted context object or use MEMBER of the context object into the evaluate() function and trigger arbitrary code execution.