cvedb.io
CVE-2021-34435
HIGH · CVSS 8.8
EPSS exploitation probability: 0%
Published 2021-09-01T18:15:09.107 · Last modified 2026-06-17T03:55:51.733

Summary

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..

Affected products

eclipse — theia

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.