Vulnerability 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 Score
HIGH
Related Weaknesses (CWE)
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
FAQ
What is CVE-2025-27109?
CVE-2025-27109 is a vulnerability with a CVSS score of 7.3 (HIGH). 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, a...
How severe is CVE-2025-27109?
CVE-2025-27109 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-27109?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.