CVE-2022-23631

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

2.68% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 85.7% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2022-02-09 21:55Z4 YR AGO

Last updated

2024-08-03 03:51Z2 YR AGO

Reserved

2022-01-19

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Critical (CVSS 9.1)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Weaknesses

• CWE-94Improper Control of Generation of Code ('Code Injection')Base
• CWE-1321Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')Variant

Data version

5.1

Document digest

745a3dc39b08f52c14455c0750d0cebe531dfaae2aaf1597f41a587d685e1444

• github.comhttps://github.com/blitz-js/superjson/security/advisories/GHSA-5888-ffcr-r425x_refsource_CONFIRM
• github.comhttps://github.com/advisories/GHSA-5888-ffcr-r425x_refsource_MISC
• www.sonarsource.comhttps://www.sonarsource.com/blog/blitzjs-prototype-pollution/x_refsource_MISC