605
VMScore

CVE-2019-20374

Published: 09/01/2020 Updated: 08/09/2021
CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6
CVSS v3 Base Score: 9.6 | Impact Score: 6 | Exploitability Score: 2.8
VMScore: 605
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Vulnerability Summary

A mutation cross-site scripting (XSS) issue in Typora up to and including 0.9.9.31.2 on macOS and up to and including 0.9.81 on Linux leads to Remote Code Execution through Mermaid code blocks. To exploit this vulnerability, one must open a file in Typora. The XSS vulnerability is then triggered due to improper HTML sanitization. Given that the application is based on the Electron framework, the XSS leads to remote code execution in an unsandboxed environment.

Vulnerability Trend

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typora typora