Improper Verification of Communication Channel in @theia/plugin-ext

Description

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

Recommendation

Update the @theia/plugin-ext package to the latest compatible version. Followings are version details:

• Affected version(s): < 1.18.0
• Patched version(s): 1.18.0

References

• GHSA-w6v7-w58j-pg5r
• bugs.eclipse.org
• CVE-2021-41038
• CWE-940
• CAPEC-310
• OWASP 2021-A6
• OWASP 2021-A7

Related Issues

• Improper Neutralization of Input in Theia console - CVE-2021-28161
• Improper Scope Validation in the `open` Endpoint of `tauri-plugin-shell` - CVE-2025-31477
• Remote code execution in Eclipse Theia - CVE-2021-34435
• Script injection - @backstage/plugin-techdocs - CVE-2021-32661

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How to Secure your NodeJs Express Javascript Application - part 2

10 Secure Coding Best Practices to Follow in Every Project

Tags:

npm

@theia/plugin-ext