0.0
NA
CVE-2025-12735
CVE-2025-12735
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 variables object into the evaluate() function and trigger arbitrary code execution.

INFO

Published Date :

Nov. 5, 2025, 1:15 a.m.

Last Modified :

Nov. 5, 2025, 1:15 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2025-12735 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

Solution
Update the library to prevent arbitrary code execution via crafted input.
  • Update the expr-eval library to a secure version.
  • Sanitize all user-provided input before evaluation.
  • Avoid evaluating untrusted expressions.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-12735.

URL Resource
https://github.com/jorenbroekema/expr-eval
https://github.com/silentmatt/expr-eval
https://github.com/silentmatt/expr-eval/pull/288
https://www.npmjs.com/package/expr-eval
https://www.npmjs.com/package/expr-eval-fork
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-12735 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-12735 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-12735 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-12735 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Nov. 05, 2025

    Action Type Old Value New Value
    Added 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 variables object into the evaluate() function and trigger arbitrary code execution.
    Added Reference https://github.com/jorenbroekema/expr-eval
    Added Reference https://github.com/silentmatt/expr-eval
    Added Reference https://github.com/silentmatt/expr-eval/pull/288
    Added Reference https://www.npmjs.com/package/expr-eval
    Added Reference https://www.npmjs.com/package/expr-eval-fork
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.