Description
In Eclipse Theia 0.3.9 to 1.8.1, the "mini-browser" extension allows a user to preview HTML files in an iframe inside the IDE. But with the way it is made it is possible for a previewed HTML file to trigger an RCE. This exploit only happens if a user previews a malicious file..
Scores
CVSS v3
8.8
EPSS
0.0012
EPSS Percentile
31.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-942
CWE-346
Status
published
Products (2)
eclipse/theia
0.3.9 - 1.8.1
theia/mini-browser
0.3.9 - 1.9.0npm
Published
Sep 01, 2021
Tracked Since
Feb 18, 2026