CVSS 3.1 Score 4.3 of 10 (medium)


Published Oct 23, 2023
Updated: Oct 31, 2023
CWE ID 346
CWE ID 200


CVE-2023-5718 is a cyber vulnerability that affects the Vue.js Devtools extension. It has a risk score of 5 and a base severity of MEDIUM. The vulnerability allows a malicious web page to leak screenshot data from the extension back to the page using the postMessage() API. This can be exploited by creating a malicious web page with an iFrame targeting sensitive resources and registering a listener on the page. The extension then sends messages containing base64 encoded screenshot data of the sensitive resource to the listener. The potential danger posed by this vulnerability is considered low for confidentiality impact, but it requires user interaction and can be exploited over a network. The exploitability score is 2.8, and remediation measures are not specified in the provided information.

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