Prototype pollution in Parse SDK js - CVE-2025-62374
Published: October 17, 2025
Vulnerability identifier: #VU117338
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-62374
CWE-ID: CWE-1321
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Parse Community
Affected software:
Parse SDK js
Parse SDK js
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary JavaScript code.
The vulnerability exists due to improper input validation in ParseObject.fromJSON, ParseObject.pin, ParseObject.registerSubclass,
ObjectStateMutations (internal), and encode/decode (internal) methods. A remote user can pass specially crafted input to the application and perform prototype pollution, which can result in information disclosure or data manipulation.
How to mitigate CVE-2025-62374
Install updates from vendor's website.