CVE-2025-57323

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.
Configurations

Configuration 1 (hide)

cpe:2.3:a:regularjs:mpregular:*:*:*:*:*:node.js:*:*

History

17 Jun 2026, 09:43

Type Values Removed Values Added
Summary
  • (es) mpregular es un paquete que proporciona un pequeño framework de desarrollo de programas basado en RegularJS. Una vulnerabilidad de Contaminación de Prototipos en la función mp.addEventHandler de mpregular versión 0.2.0 y anteriores permite a los atacantes inyectar propiedades en Object.prototype mediante el suministro de una carga útil manipulada, causando denegación de servicio (DoS) como consecuencia mínima.

17 Oct 2025, 13:21

Type Values Removed Values Added
References () https://github.com/VulnSageAgent/PoCs/blob/main/JavaScript/prototype-pollution/mpregular%400.2.0/index.js - () https://github.com/VulnSageAgent/PoCs/blob/main/JavaScript/prototype-pollution/mpregular%400.2.0/index.js - Broken Link
References () https://github.com/VulnSageAgent/PoCs/tree/main/JavaScript/prototype-pollution/CVE-2025-57323 - () https://github.com/VulnSageAgent/PoCs/tree/main/JavaScript/prototype-pollution/CVE-2025-57323 - Third Party Advisory
First Time Regularjs
Regularjs mpregular
CPE cpe:2.3:a:regularjs:mpregular:*:*:*:*:*:node.js:*:*

24 Sep 2025, 21:15

Type Values Removed Values Added
CWE CWE-1321
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 7.5

24 Sep 2025, 20:15

Type Values Removed Values Added
New CVE

Information

Published : 2025-09-24 20:15

Updated : 2026-06-17 09:43


NVD link : CVE-2025-57323

Mitre link : CVE-2025-57323

CVE.ORG link : CVE-2025-57323


JSON object : View

Products Affected

regularjs

  • mpregular
CWE
CWE-1321

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')