CVE-2025-62374

Parse Javascript SDK vulnerable to prototype pollution in `Parse.Object` and internal APIs

MEDIUM
6.4
CVSS Score
Published: October 14, 2025 at 08:06 PM UTC
Updated: October 8, 2026 at 12:10 PM UTC
1 product affected across 1 vendorParse-SDK-JS

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Severity
MEDIUM6.4
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 7.0.0-alpha.1
Affected range stops below 7.0.0-alpha.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.4MEDIUMGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
LOW
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-1321

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