High severityNVD Advisory· Published Sep 1, 2021· Updated Aug 4, 2024
CVE-2021-34435
CVE-2021-34435
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..
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
@theia/mini-browsernpm | >= 0.3.9, < 1.9.0 | 1.9.0 |
Affected products
2- Range: 0.3.9
Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-v9w2-v7j9-rjprghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-34435ghsaADVISORY
- bugs.eclipse.org/bugs/show_bug.cgighsax_refsource_CONFIRMWEB
- github.com/eclipse-theia/theia/commit/0761dcf5fe3c14c27432683d42d2c526ad0cfbd5ghsaWEB
- github.com/eclipse-theia/theia/pull/8759ghsaWEB
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