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CVE Vulnerability Details :

CVE-2026-27119

PUBLISHED

More Info Official Page

Assigner-GitHub_M

Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa

Published At-20 Feb, 2026 | 22:25

Updated At-23 Feb, 2026 | 19:42

▼CVE Numbering Authority (CNA)

Svelte affected by XSS in SSR `<option>` element

svelte performance oriented web framework. From 5.39.3, <=5.51.4, in certain circumstances, the server-side rendering output of an <option> element does not properly escape its content, potentially allowing HTML injection in the SSR output. Client-side rendering is not affected. This vulnerability is fixed in 5.51.5.

Affected Products

Vendor

sveltejs

Product

svelte

Versions

Affected

>= 5.39.3, < 5.51.5

Problem Types

Type	CWE ID	Description
CWE	CWE-79	CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Type: CWE

CWE ID: CWE-79

Description: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Metrics

Version	Base score	Base severity	Vector
4.0	5.1	MEDIUM	CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:H/SI:H/SA:N

Version: 4.0

Base score: 5.1

Base severity: MEDIUM

Vector:

CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:H/SI:H/SA:N

References

Hyperlink	Resource
https://github.com/sveltejs/svelte/security/advisories/GHSA-h7h7-mm68-gmrc	x_refsource_CONFIRM

Hyperlink: https://github.com/sveltejs/svelte/security/advisories/GHSA-h7h7-mm68-gmrc

Resource:

x_refsource_CONFIRM

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Affected Products

Affected

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References