What’s Vulnerable › Vulnerabilities

CVE-2020-28482: Cross-site Request Forgery (CSRF)

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-01-19 · updated 2026-06-17
• Weakness: CWE-200

Description

This affects the package fastify-csrf before 3.0.0. 1. The generated cookie used insecure defaults, and did not have the httpOnly flag on: cookieOpts: { path: '/', sameSite: true } 2. The CSRF token was available in the GET query parameter

Affected products

• fastify-csrf: before 3.0.0 — fixed in 3.0.0

How to fix

Upgrade to a fixed version: fastify-csrf 3.0.0. Check the vendor advisory for mitigations.

References

• https://github.com/fastify/fastify-csrf/pull/26
• https://snyk.io/vuln/SNYK-JS-FASTIFYCSRF-1062044
• https://github.com/fastify/fastify-csrf/pull/26
• https://snyk.io/vuln/SNYK-JS-FASTIFYCSRF-1062044

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