CVE-2023-2317: Typora

Critical severity, CVSS 9.6. EPSS: 2.4% chance of exploitation in the next 30 days.

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.

Affected products

• Typora Typora: before 1.6.7 (fixed in 1.6.7)

Published 2023-08-19. Last modified 2026-06-17.