NuytsTech Security

CVE-2022-25875

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The package svelte before 3.49.0 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.

Date published : 2022-07-12

https://github.com/sveltejs/svelte/commit/f8605d6acbf66976da9b4547f76e90e163899907

https://github.com/sveltejs/svelte/pull/7530%23issuecomment-1158575990

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