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.
Advisories
Source ID Title
EUVD EUVD EUVD-2025-31055 mpregular vulnerable to prototype pollution
Github GHSA Github GHSA GHSA-xx4g-r65p-3qf2 mpregular vulnerable to prototype pollution
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 17 Oct 2025 13:30:00 +0000

Type Values Removed Values Added
First Time appeared Regularjs
Regularjs mpregular
CPEs cpe:2.3:a:regularjs:mpregular:*:*:*:*:*:node.js:*:*
Vendors & Products Regularjs
Regularjs mpregular

Thu, 25 Sep 2025 09:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 24 Sep 2025 21:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-1321
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


Wed, 24 Sep 2025 20:00:00 +0000

Type Values Removed Values Added
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.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-09-24T20:20:12.386Z

Reserved: 2025-08-17T00:00:00.000Z

Link: CVE-2025-57323

cve-icon Vulnrichment

Updated: 2025-09-24T20:19:45.461Z

cve-icon NVD

Status : Analyzed

Published: 2025-09-24T20:15:32.000

Modified: 2025-10-17T13:21:12.710

Link: CVE-2025-57323

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.