CVE-2025-57324: parse javascript Prototype Pollution

Description

parse is a package designed to parse JavaScript SDK. A Prototype Pollution vulnerability in the SingleInstanceStateController.initializeState function of parse version 5.3.0 and before allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-1321 CWE-1321

Affected Products

Vendor	Product	Versions
parseplatform	parse_javascript_sdk	< 5.3.0

References

Other References

https://github.com/VulnSageAgent/PoCs/blob/main/JavaScript/prototype-pollution/parse%405.3.0/index.js https://github.com/VulnSageAgent/PoCs/tree/main/JavaScript/prototype-pollution/CVE-2025-57324

Frequently Asked Questions

What is CVE-2025-57324? +

parse is a package designed to parse JavaScript SDK. A Prototype Pollution vulnerability in the SingleInstanceStateController.initializeState function of parse version 5.3.0 and before allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2025-57324? +

CVE-2025-57324 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-57324? +

CVE-2025-57324 affects products from parseplatform, specifically: parse_javascript_sdk. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-57324? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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