CVE-2022-22143
CVSS v3
9.8
CRITICAL
EPSS Score
2.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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)
Technical details
- Published
- 2022-05-01
Frequently asked questions
What is 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)
Is CVE-2022-22143 actively exploited?
Active exploitation of CVE-2022-22143 has not been confirmed. Its EPSS score was 2.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2022-22143?
CVE-2022-22143 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2022-22143 affecting your environment?
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