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    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.

    Published:Nov 5, 2025
    Last Modified:Feb 10, 2026
    EPS:Nov 5, 2025
    EPSS Score:0.00063
    CVSS Score:9.8

    Affected Products

    Vendor
    Expr-eval Project
    Product
    Expr-eval
    Vendor
    Jorenbroekema
    Product
    Javascript Expression Evaluator
    Vendor
    Silentmatt
    Product
    Javascript Expression Evaluator

    Exploits

    https://github.com/alecasg555/safe-expr-evalhttps://github.com/alnashawatirohwederb2167-max/cve-2025-12735-expr-eval-rcehttps://github.com/AN5I/cve-2025-12735-expr-eval-rce

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High