Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 16.7%
CVSS Severity
CVSS v3 Score 7.5
References