CVE-2025-57324

parse is vulnerable to prototype pollution

6.5 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

0.36%Up 0.3 points since Sep 25, 2025

What each source reports

CVE List Score used 6.5

Record: CVE-2025-57324
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-1321
Updated: 2026-11-02

EUVDEUVD-2025-31054 6.5

Record: EUVD-2025-31054
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-9g8m-v378-pcg3 6.5

parse is vulnerable to prototype pollution

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

Record: GHSA-9g8m-v378-pcg3
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-1321
Updated: 2026-11-02

NVD 6.5

Record: CVE-2025-57324
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-1321
Updated: 2026-11-02

OSV 6.5

Record: CVE-2025-57324
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVGHSA-9g8m-v378-pcg3 6.5

parse is vulnerable to prototype pollution

Record: GHSA-9g8m-v378-pcg3
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-1321
Updated: 2026-11-02

Affected products

parseplatform parse javascript sdk

Affected packages

Affected packages
Package	Affected	Fixed
`parse` npm	before 7.0.0-alpha.1	7.0.0-alpha.1

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-57324 is a medium vulnerability (CVSS 6.5) in Parseplatform Parse Javascript Sdk, published September 24, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 29th percentile. Fixed in parse 7.0.0-alpha.1.