Medium severity4.3NVD Advisory· Published Oct 23, 2023· Updated Jun 17, 2026
CVE-2023-5718
CVE-2023-5718
Description
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.
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Affected products
3Patches
Vulnerability mechanics
References
1- gist.github.com/CalumHutton/bdb97077a66021ed455f87823cd7c7cbnvdExploitPatchThird Party Advisory
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