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
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SmartScanner can check your website for Improper Verification of Communication Channel in @theia/plugin-ext and gives you actionable findings to investigate.
Start a free scanRelated 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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See something that needs correcting? Let us knowUpdated February 01, 2023


