CVE-2025-57323
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-09-24
Last updated on: 2025-10-17
Assigner: MITRE
Description
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.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| regularjs | mpregular | to 0.2.0 (inc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-1321 | The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a Prototype Pollution issue in the mp.addEventHandler function of the mpregular package (version 0.2.0 and before). It allows attackers to inject properties into Object.prototype by supplying a crafted payload, which can manipulate the behavior of the application.
How can this vulnerability impact me? :
The primary impact of this vulnerability is a denial of service (DoS), which means the application using mpregular could crash or become unresponsive due to the injected properties affecting its normal operation.
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