Medium severity · published Sep 24, 2025
CVE-2025-57324
parse is a package designed to parse JavaScript SDK
6.5
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PJ
Parse Javascript Sdk · Parseplatform
through 5.3.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-57324
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-57324
Broken Link
https://github.com/VulnSageAgent/PoCs/blob/main/JavaScript/prototype-pollution/parse%405.3.0/index.js
Third Party Advisory
https://github.com/VulnSageAgent/PoCs/tree/main/JavaScript/prototype-pollution/CVE-2025-57324