GitHub Advisoryadvisory · npm

GHSA-xx4g-r65p-3qf2 mpregular vulnerable to prototype pollution

HIGH Published 2025-09-24 Modified 2025-09-25 Official page ↗
Aliases
CVE-2025-57323
Ecosystem
npm
Packages
mpregular
Severity
High
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-1321
Reviewed
2025-09-25

Affected packages

• npm mpregular: <= 0.2.0 (no fix yet)

Description

mpregular is a package that provides a small program development framework based on RegularJS. A Prototype Pollution vulnerability in the mp.addEventHandler function of mpregular version 0.2.0 and before allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.

Related

Alias · CVE (1)

  • CVE-2025-57323 mpregular is a package that provides a small program development framework based on RegularJS. vulnerability

Weakness · CWE (1)

  • CWE-1321 Improperly Controlled Modification of Object Prototype Attributes weakness

References