CVE-2023-2317 HIGH

CVE-2023-2317: Typora DOM-Based Cross-site Scripting leading to Remote Code Execution

Vendor Typora
Product Typora
Weakness CWE-79 · XSS
Published August 19, 2023
Last update October 7, 2024
View on NVD All CVEs

CVSS base score

8.6/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

DOM-based XSS in updater/update.html in Typora before 1.6.7 on Windows and Linux allows a crafted markdown file to run arbitrary JavaScript code in the context of Typora main window via loading typora://app/typemark/updater/update.html in <embed> tag. This vulnerability can be exploited if a user opens a malicious markdown file in Typora, or copies text from a malicious webpage and paste it into Typora.

Key dates

02Disclosure timeline

August 19, 2023 CVE published
October 7, 2024 Record updated