CVE-2025-62374: Prototype Pollution (CVSS 6.4)

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.

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CVSS v3.1 Score

6.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:L

Weakness Type (CWE)

CWE-1321 CWE-1321

References

Other References

https://github.com/parse-community/Parse-SDK-JS/commit/00973987f361368659c0c4dbf669f3897520b132 https://github.com/parse-community/Parse-SDK-JS/pull/2749 https://github.com/parse-community/Parse-SDK-JS/releases/tag/7.0.0-alpha.1 https://github.com/parse-community/Parse-SDK-JS/security/advisories/GHSA-9f2h-7v79-mxw3

Frequently Asked Questions

What is CVE-2025-62374? +

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. It has a CVSS v3.1 base score of 6.4 (MEDIUM).

How severe is CVE-2025-62374? +

CVE-2025-62374 has a CVSS v3.1 score of 6.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2025-62374? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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