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. 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.

• CWE-200
• CWE-346

• https://gist.github.com/CalumHutton/bdb97077a66021ed455f87823cd7c7cbExploit, Patch, Third Party Advisory
• https://gist.github.com/CalumHutton/bdb97077a66021ed455f87823cd7c7cbExploit, Patch, Third Party Advisory

Published

Oct 23, 2023

Last Modified

Jun 17, 2026

Status

Modified

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