CVE-2025-62374 Parse Javascript SDK vulnerable to prototype pollution in `Parse.Object` and internal APIs
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2025-62374?
CVE-2025-62374 is a medium-severity vulnerability in parse-community Parse-SDK-JS, published on 14 Oct 2025.
Official description
Parse Javascript SDK provides access to the powerful Parse Server backend from your JavaScript app. Prior to 7.0.0, injection of malicious payload allows attacker to remotely execute arbitrary code. ParseObject.fromJSON, ParseObject.pin, ParseObject.registerSubclass, ObjectStateMutations (internal), and encode/decode (internal) are affected. This vulnerability is fixed in 7.0.0.
Weakness: CWE-1321
Which versions are affected by CVE-2025-62374?
2 open source packages ship an affected version, including parse.
| Package | Affected | Fixed in |
|---|---|---|
parse npm | All versions | 7.0.0 |
parse npm | All versions | 7.0.0 |
How do I fix CVE-2025-62374?
Upgrade parse to 7.0.0 or later.
Is CVE-2025-62374 being exploited?
There is no known exploitation of CVE-2025-62374 in the wild and no public exploit code.
Sources
Also known as GHSA-9f2h-7v79-mxw3.