svelte@1.64.1 vulnerabilities

Cybernetically enhanced web apps

Direct Vulnerabilities

Known vulnerabilities in the svelte package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • M
Cross-site Scripting (XSS)

svelte is a package for building web applications.

Affected versions of this package are vulnerable to Cross-site Scripting (XSS) due to improper input sanitization and to improper escape of attributes when using objects during SSR (Server-Side Rendering). Exploiting this vulnerability is possible via objects with a custom toString() function.

How to fix Cross-site Scripting (XSS)?

Upgrade svelte to version 3.49.0 or higher.

<3.49.0
  • M
Cross-site Scripting (XSS)

svelte is a package for building web applications.

Affected versions of this package are vulnerable to Cross-site Scripting (XSS) when objects are rendered directly to attribute values as unescaped strings. This means an object with a custom toString() can result in raw html injection.

How to fix Cross-site Scripting (XSS)?

Upgrade svelte to version 3.46.5 or higher.

<3.46.5
  • M
Cross-site Scripting (XSS)

svelte is a package for building web applications.

Affected versions of this package are vulnerable to Cross-site Scripting (XSS) when spread attributes in the ssr files are unsanitized and can therefore be attack vectors for untrusted user input.

How to fix Cross-site Scripting (XSS)?

Upgrade svelte to version 2.9.8 or higher.

<2.9.8