Prototype Pollution in Parseplatform Parse Javascript Sdk
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.
Vulnerability class: Prototype Pollution
EPSS: 0.003 (25.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Parseplatform Parse_javascript_sdk
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Broken Link)
- cve@mitre.org (Third Party Advisory)
Frequently asked questions
- What is CVE-2025-57324?
- CVE-2025-57324 is a medium-severity vulnerability in Parseplatform Parse Javascript Sdk, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 6.5/10. Published 2025-09-24.
- How severe is CVE-2025-57324?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2025-57324 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.