Vulnerability · Published Oct 14, 2025 · Assigned by GitHub_M

CVE-2025-62374Parse Javascript SDK vulnerable to prototype pollution in `Parse.Object` and internal APIs

Medium 6.4

In plain English

A medium-severity prototype pollution in Parse-SDK-JS from parse-community. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.4Medium

Exploit odds (30 days)0.4%top 63.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	parse	7.0.0	GHSA-9f2h-7v79-mxw3

Affected products (as reported)

Vendor	Product	Versions
parse-community	Parse-SDK-JS	< 7.0.0-alpha.1

Weakness: CWE-1321 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:L

References

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