Prototype Pollution in Mozilla Convict

CVE-2022-22143

The package convict before 6.2.2 are vulnerable to Prototype Pollution via the convict function due to missing validation of parentKey. **Note:** This vulnerability derives from an incomplete fix of another [vulnerability](https://security.snyk.io/vuln/SNYK-JS-CONVICT-1062508)

Vulnerability class: Prototype Pollution

EPSS: 0.021 (80.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-22143?
CVE-2022-22143 is a high-severity vulnerability in Mozilla Convict, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 7.5/10. Published 2022-05-01.
How severe is CVE-2022-22143?
High severity. CVSS v3 base score is 7.5 out of 10.