CVE-2025-57324 json
parse is vulnerable to prototype pollution
published 2025-09-24 13 mo ago modified 2026-06-17 4 mo ago also GHSA-9g8m-v378-pcg3 , EUVD-2025-31054
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 29%
- public exploits
- 0
- none known
Summary
parse is a package designed to parse JavaScript SDK. A Prototype Pollution vulnerability in the SingleInstanceStateController.initializeState function of parse version 5.3.0 and before allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.
Patch / fix
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 13 mo ago
Exploit prediction
0.36% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| GitHub | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | parse | <7.0.0-alpha.1 |
7.0.0-alpha.1 |
Classification
- Weakness
-
- CWE-1321 Improperly Controlled Modification of Object Prototype Attributes
References
-
github.com
/parse-community/Parse-SDK-JS/commit/9e7c1bad472b1ed2463cbac567b8ec752ae5b4c9
web
-
github.com
/VulnSageAgent/PoCs/blob/main/JavaScript/prototype-pollution/parse%405.3.0/index.js
web, broken-link
-
github.com
/VulnSageAgent/PoCs/tree/main/JavaScript/prototype-pollution/CVE-2025-57324
web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2025-57324
advisory
-
github.com
/parse-community/Parse-SDK-JS
package
Sources
- CVE List CVE-2025-57324
- GitHub Advisory GHSA-9g8m-v378-pcg3
- NVD CVE-2025-57324
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