medium4.3
CVE-2023-5718
The Vue.js Devtools extension was found to leak screenshot data back to a malicious web page via the standard `postMessage()` API.
Impact
The Vue.js Devtools extension was found to leak screenshot data back to a malicious web page via the standard `postMessage()` API. By creating a malicious web page with an iFrame targeting a sensitive resource (i.e. a locally accessible file or sensitive website), and registering a listener on the web page, the extension sent messages back to the listener, containing the base64 encoded screenshot data of the sensitive resource.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Vuejs | Devtools | Version 6.5.0 |