CVE-2025-12735
Severity CVSS v4.0:
Pending analysis
Type:
CWE-94
Code Injection
Publication date:
05/11/2025
Last modified:
10/02/2026
Description
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.
Impact
Base Score 3.x
9.80
Severity 3.x
CRITICAL
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:a:jorenbroekema:javascript_expression_evaluator:3.0.0:*:*:*:*:node.js:*:* | ||
| cpe:2.3:a:silentmatt:javascript_expression_evaluator:*:*:*:*:*:node.js:*:* | 2.0.2 (including) |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- https://github.com/advisories/GHSA-jc85-fpwf-qm7x
- https://github.com/jorenbroekema/expr-eval
- https://github.com/silentmatt/expr-eval
- https://github.com/silentmatt/expr-eval/pull/288
- https://kb.cert.org/vuls/id/263614
- https://www.npmjs.com/package/expr-eval
- https://www.npmjs.com/package/expr-eval-fork
- https://www.kb.cert.org/vuls/id/263614
- https://github.com/jorenbroekema/expr-eval/blob/460b820ba01c5aca6c5d84a7d4f1fa5d1913c67b/test/security.js