CVE-2022-25875

Name: CVE-2022-25875
Creator: NVD / NIST
Published: 2022-07-12T19:15:08.33+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.04%

Last modified Jun 17, 2026

CVE-2022-25875 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 1.04% chance of exploitation in the next 30 days.

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

6.1/10

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

EPSS Probability

1.04%

59.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Svelte	Svelte	< 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
Status: Modified

Frequently Asked Questions

What is CVE-2022-25875?

How severe is CVE-2022-25875?

CVE-2022-25875 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.04% probability of exploitation in the next 30 days.

How do I fix CVE-2022-25875?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-25875?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST