CVE-2025-62374
Parse Javascript SDK vulnerable to prototype pollution in `Parse.Object` and internal APIs
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.
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
- Low
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Parse Javascript SDK vulnerable to prototype pollution in `Parse.Object` and internal APIs
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.
- Record
CVE-2025-62374- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:L - Weakness
- CWE-1321
- Updated
- 2026-11-02
EUVDEUVD-2025-34458
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.
- Record
EUVD-2025-34458- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-9f2h-7v79-mxw3
Parse Javascript SDK vulnerable to prototype pollution in `Parse.Object` and internal APIs
Summary
Prototype pollution capabilities on various APIs.
Details
Injection of malicious payload allows attacker to remotely execute arbitrary code. Parse.Object and internal APIs are affected, specifically:
ParseObject.fromJSONParseObject.pinParseObject.registerSubclassObjectStateMutations(internal)encode/decode(internal)
PoC
Demonstrative tests added as part of the fix.
References
- Record
GHSA-9f2h-7v79-mxw3- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:L - Weakness
- CWE-1321
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-62374- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:L - Weakness
- CWE-1321
- Updated
- 2026-11-02
OSV
Parse Javascript SDK vulnerable to prototype pollution in `Parse.Object` and internal APIs
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.
- Record
CVE-2025-62374- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:L - Weakness
- CWE-1321
- Updated
- 2026-11-02
OSVGHSA-9f2h-7v79-mxw3
Parse Javascript SDK vulnerable to prototype pollution in `Parse.Object` and internal APIs
Summary
Prototype pollution capabilities on various APIs.
Details
Injection of malicious payload allows attacker to remotely execute arbitrary code. Parse.Object and internal APIs are affected, specifically:
ParseObject.fromJSONParseObject.pinParseObject.registerSubclassObjectStateMutations(internal)encode/decode(internal)
PoC
Demonstrative tests added as part of the fix.
References
- Record
GHSA-9f2h-7v79-mxw3- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:L - Weakness
- CWE-1321
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
parsenpm |
before 7.0.0 | 7.0.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-62374 is a medium vulnerability (CVSS 6.4) in Parse-community Parse-sdk-js, published October 14, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.42%, the 36th percentile. Fixed in parse 7.0.0.
References
github.com/parse-community/Parse-SDK-JS/security/advisories/GHSA-9f2h-7v79-mxw3
nvd.nist.gov/vuln/detail/CVE-2025-62374