Vulnerability · Published Nov 3, 2022 · Assigned by Fluid Attacks
CVE-2022-41714fastest-json-copy 1.0.1 - Prototype Pollution
Medium 5.3
In plain English
A medium-severity prototype pollution in fastest-json-copy. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.7%top 45.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
fastest-json-copy version 1.0.1 allows an external attacker to edit or add new properties to an object. This is possible because the application does not correctly validate the incoming JSON keys, thus allowing the '__proto__' property to be edited.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | fastest-json-copy | no fix listed | GHSA-p5g9-rjcf-95vj |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | fastest-json-copy | 1.0.1 |
Weakness: CWE-1321 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N