CVE-2025-27109CWE-116CWE-79

Lack of Escaping of HTML in JSX Fragments allows for Cross-site Scripting in solid-js

High · published February 21, 2025

CVSS v3.1
7.3
EPSS
0%
Percentile
24.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00328 · 24.7th percentile
Weaknesses
CWE-116 · Improper Encoding or Escaping of Output; CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2025-02-21T21:12Z
EPSS history
Timeline
  • 21 FEB 21:12Z
    Lack of Escaping of HTML in JSX Fragments allows for Cross-site Scripting in solid-js
    cvelistv5