CVE-2025-27109
High
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.
SeverityHigh
CVSS7.3
Exploit probability—
ProductSolid-js
PublishedFeb 21, 2025
First seenFeb 21, 2025
Weakness typeCWE-116CWE-116CWE-79Cross-site scripting (XSS)
How to fix
Update
- solid-js1.9.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| solid-jsnpm | v < 1.9.4 | 1.9.4 |
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