CVE-2022-25875

MediumCVSS 6.1/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
n/a	svelte	>= unspecified, < 3.49.0

References

https://github.com/sveltejs/svelte/commit/f8605d6acbf66976da9b4547f76e90e163899907Exploit, Patch, Third Party Advisory
https://github.com/sveltejs/svelte/pull/7530%23issuecomment-1158575990Broken Link
https://snyk.io/vuln/SNYK-JS-SVELTE-2931080Exploit, Patch, Third Party Advisory
https://github.com/sveltejs/svelte/commit/f8605d6acbf66976da9b4547f76e90e163899907Exploit, Patch, Third Party Advisory
https://github.com/sveltejs/svelte/pull/7530%23issuecomment-1158575990Broken Link
https://snyk.io/vuln/SNYK-JS-SVELTE-2931080Exploit, Patch, Third Party Advisory

Timeline

Published: Jul 12, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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