CVE-2022-25875: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

July 12, 2022 (updated July 19, 2022)

The package svelte before 3.49.0 is 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.

References

github.com/sveltejs/svelte/commit/f8605d6acbf66976da9b4547f76e90e163899907
github.com/sveltejs/svelte/pull/7530%23issuecomment-1158575990
nvd.nist.gov/vuln/detail/CVE-2022-25875
snyk.io/vuln/SNYK-JS-SVELTE-2931080

Code Behaviors & Features

Detect and mitigate CVE-2022-25875 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →