CVE-2021-34435CWE-942

CVE-2021-34435: vulnerability in The Eclipse Foundation Eclipse Theia

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3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 0.6%
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
The Eclipse Foundation · Eclipse Theia
Related CVEs — The Eclipse Foundation Eclipse Theia

In the same product, most dangerous first.

CVE-2020-27224—CVE-2020-27224EPSS 2.6%CVE-2021-34436—CVE-2021-34436EPSS 2.2%CVE-2021-28162—CVE-2021-28162EPSS 0.8%CVE-2021-28161—CVE-2021-28161EPSS 0.7%CVE-2019-17636—CVE-2019-17636EPSS 0.6%