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CVE Vulnerability Details :
CVE-2026-27901
PUBLISHED
More InfoOfficial Page
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
View Known Exploited Vulnerability (KEV) details
Published At-26 Feb, 2026 | 00:57
Updated At-26 Feb, 2026 | 14:31
Rejected At-
▼CVE Numbering Authority (CNA)
Svelte vulnerable to XSS during SSR with contenteditable `bind:innerText` and `bind:textContent`

Svelte performance oriented web framework. Prior to version 5.53.5, the contents of `bind:innerText` and `bind:textContent` on `contenteditable` elements were not properly escaped. This could enable HTML injection and Cross-Site Scripting (XSS) if rendering untrusted data as the binding's initial value on the server. Version 5.53.5 fixes the issue.

Affected Products
Vendor
sveltejs
Product
svelte
Versions
Affected
  • < 5.53.5
Problem Types
TypeCWE IDDescription
CWECWE-79CWE-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
VersionBase scoreBase severityVector
4.05.3MEDIUM
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:H/SI:H/SA:N
Version: 4.0
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:H/SI:H/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/sveltejs/svelte/security/advisories/GHSA-phwv-c562-gvmh
x_refsource_CONFIRM
https://github.com/sveltejs/svelte/commit/0df5abcae223058ceb95491470372065fb87951d
x_refsource_MISC
https://github.com/sveltejs/svelte/releases/tag/svelte%405.53.5
x_refsource_MISC
Hyperlink: https://github.com/sveltejs/svelte/security/advisories/GHSA-phwv-c562-gvmh
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/sveltejs/svelte/commit/0df5abcae223058ceb95491470372065fb87951d
Resource:
x_refsource_MISC
Hyperlink: https://github.com/sveltejs/svelte/releases/tag/svelte%405.53.5
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found