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CVE-2019-20374

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CVE-2019-20374

Published: Jan 9, 2020

Modified: Aug 5, 2024

PUBLISHED

CVSS v3.0

8.3

HIGH

Description

A mutation cross-site scripting (XSS) issue in Typora through 0.9.9.31.2 on macOS and through 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.

VendorProductVersions

n/a

n/a

affected
n/a

CVSS v3.0 Details

CVSS v3.0 Vector

CVSS:3.0/AC:H/AV:N/A:H/C:H/I:H/PR:N/S:C/UI:R

Attack Complexity

High

Attack Vector

Network

Availability

High

Confidentiality

High

Integrity

High

Privileges Required

None

Scope

Changed

User Interaction

Required

References

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