sveltejs/svelte · Security
Svelte vulnerable to XSS during SSR with contenteditable `bind:innerText` and `bind:textContent`
- GHSA ID
- GHSA-phwv-c562-gvmh
- CVE ID
- CVE-2026-27901
- Severity
- medium
- Published
- Updated
- CVSS v4
- 5.3 · 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
Description
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.
CWEs
- CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References
- https://github.com/sveltejs/svelte/security/advisories/GHSA-phwv-c562-gvmh ↗
- https://nvd.nist.gov/vuln/detail/CVE-2026-27901 ↗
- https://github.com/sveltejs/svelte/commit/0df5abcae223058ceb95491470372065fb87951d ↗
- https://github.com/sveltejs/svelte/releases/tag/[email protected] ↗
- https://github.com/advisories/GHSA-phwv-c562-gvmh ↗