CVE-2021-22963
Medium
Description
A redirect vulnerability in the fastify-static module version < 4.2.4 allows remote attackers to redirect users to arbitrary websites via a double slash // followed by a domain: http://localhost:3000//google.com/%2e%2e.The issue shows up on all the fastify-static applications that set redirect: true option. By default, it is false.
SeverityMedium
CVSS6.1
Exploit probability—
Product
Fastify-static
PublishedOct 14, 2021
First seenOct 14, 2021
Weakness typeCWE-601Open redirect
How to fix
Update
- fastify fastify-static4.2.4 or later
- fastify-static4.2.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| fastify fastify-static | v < 4.2.4 | 4.2.4 |
| fastify-staticnpm | v < 4.2.4 | 4.2.4 |
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