helmet-csp is a Content Security Policy that helps prevent unwanted content being injected into your webpages.
Affected versions of this package are vulnerable to Configuration Override affecting the application's Content Security Policy (CSP). It's browser sniffing for Firefox deletes the
default-src CSP policy, which is the fallback policy. This allows an attacker to remove an application's default CSP.
helmet-csp to version 2.9.2 or higher.
- William Durand
- Snyk ID
- 20 Sep, 2019
- 29 Sep, 2019