{"cve":"CVE-2025-27109","nvd":{"published":"2025-02-21T22:15:14.303","modified":"2026-06-17T09:03:03.080","status":"Deferred","description":"solid-js is a declarative, efficient, and flexible JavaScript library for building user interfaces. In affected versions Inserts/JSX expressions inside illegal inlined JSX fragments lacked escaping, allowing user input to be rendered as HTML when put directly inside JSX fragments. This issue has been addressed in version 1.9.4 and all users are advised to upgrade. There are no known workarounds for this vulnerability.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","score":7.3},"cwes":["CWE-79","CWE-116"],"references":["https://github.com/solidjs/solid/commit/b93956f28ed75469af6976a98728e313d0edd236","https://github.com/solidjs/solid/security/advisories/GHSA-3qxh-p7jc-5xh6","https://github.com/solidjs/solid/security/advisories/GHSA-3qxh-p7jc-5xh6"],"products":[],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2025-27109","score":0.00328,"percentile":0.25944,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-3qxh-p7jc-5xh6","url":"https://osv.dev/vulnerability/GHSA-3qxh-p7jc-5xh6","summary":"Solid Lacks Escaping of HTML in JSX Fragments allows for Cross-Site Scripting (XSS)","modified":"2026-09-10T03:50:22.449004070Z","packages":[{"ecosystem":"npm","name":"solid-js","purl":"pkg:npm/solid-js","ranges":["<1.9.4"],"fixed":["1.9.4"]}]}],"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."]}