Vulnerability Database · npm · json-schema · Version
json-schema 0.3.0
0.3.0 is affected by 1 vulnerability.
The vulnerabilities that cover this exact version are listed below with the fixed version to move to. The upgrade Vulert recommends: 0.4.0.
Critical 1 High 0 Medium 0 Low 0 Unrated 0
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Released 02 Jan 2021
Licence AFL-2.1 OR BSD-3-Clause
Also known from other sources 1
Newer releases 7
Database updated 23/Oct/2026
Release and licence data published by the npm registry. Licence information is not legal advice.
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01 Vulnerabilities affecting this version
json-schema 0.3.0 vulnerabilities
1 vulnerability cover json-schema 0.3.0. Open the full list in the database.
| Vulnerability | Severity | Fixed version | Disclosed |
|---|---|---|---|
| CVE-2021-3918: Prototype Pollution in json-schema | 9.8 critical | 0.4.0 | 19 Nov 2021 |
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Questions
About json-schema 0.3.0
Is json-schema 0.3.0 vulnerable?
Yes. 1 vulnerability in the Vulert database cover json-schema 0.3.0: 1 critical, 0 high, 0 medium and 0 low. The upgrade Vulert recommends is 0.4.0, and each entry above names the fixed version to move to.
Which version of json-schema should I use instead of 0.3.0?
0.4.0 is the version Vulert recommends for this release line. The version table on the package page lists every release with the vulnerabilities recorded against it.
Is 0.3.0 the latest release of json-schema?
No. 0.3.0 was published 02 Jan 2021, and newer releases exist. Newer is not automatically safer — the version table on the package page shows what each release carries.
How do I monitor json-schema for upcoming vulnerabilities?
Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the json-schema version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.