CVE-2026-27901 | THREATINT

Description

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.

PUBLISHED Reserved 2026-02-24 | Published 2026-02-26 | Updated 2026-02-26 | Assigner GitHub_M

MEDIUM: 5.3CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:H/SI:H/SA:N

Problem types

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

Product status

< 5.53.5

affected

References

github.com/...svelte/security/advisories/GHSA-phwv-c562-gvmh

github.com/...ommit/0df5abcae223058ceb95491470372065fb87951d

github.com/sveltejs/svelte/releases/tag/svelte@5.53.5

cve.org (CVE-2026-27901)

nvd.nist.gov (CVE-2026-27901)

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