CVE-2021-41038

Public Exploit

Description

In versions of the @theia/plugin-ext component of Eclipse Theia prior to 1.18.0, Webview contents can be hijacked via postMessage().

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.31%
Third-Party Advisory eclipse.org Third-Party Advisory github.com
Affected: The Eclipse Foundation @theia/plugin-ext
Published at:
Updated at:

References

Link Tags
https://bugs.eclipse.org/bugs/show_bug.cgi?id=575924 issue tracking exploit third party advisory
https://github.com/eclipse-theia/theia/pull/10125 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-41038?
CVE-2021-41038 has been scored as a medium severity vulnerability.
How to fix CVE-2021-41038?
To fix CVE-2021-41038, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-41038 being actively exploited in the wild?
It is possible that CVE-2021-41038 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-41038?
CVE-2021-41038 affects The Eclipse Foundation @theia/plugin-ext.
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