{"cve":"CVE-2026-27901","nvd":{"published":"2026-02-26T02:16:20.967","modified":"2026-06-17T10:27:50.957","status":"Analyzed","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.","cvss_v4":{"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","score":5.3},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["https://github.com/sveltejs/svelte/commit/0df5abcae223058ceb95491470372065fb87951d","https://github.com/sveltejs/svelte/releases/tag/svelte%405.53.5","https://github.com/sveltejs/svelte/security/advisories/GHSA-phwv-c562-gvmh"],"products":["svelte:svelte"],"source":"nvd","synced_at":"2026-10-19T22:24:17.937441719+00:00"},"epss":{"cve":"CVE-2026-27901","score":0.00257,"percentile":0.17404,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-phwv-c562-gvmh","url":"https://osv.dev/vulnerability/GHSA-phwv-c562-gvmh","summary":"Svelte vulnerable to XSS during SSR with contenteditable `bind:innerText` and `bind:textContent`","modified":"2026-09-10T03:50:35.484136824Z","packages":[{"ecosystem":"npm","name":"svelte","purl":"pkg:npm/svelte","ranges":["<5.53.5"],"fixed":["5.53.5"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}