CVE-2023-2317

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.

CVSS v3.1

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

CVSS v3.1

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

EPSS

2.44% chance of exploitation in the next 30 days, 83th percentile

Published

2023-08-19

Updated

2024-10-07

Proof-of-concept exploits (1)

• https://starlabs.sg/advisories/23/23-2317/

References

• CVE Record
• NVD entry

Related

• CVE-2023-23169
• CVE-2023-2318
• CVE-2023-23163
• CVE-2023-23192
• CVE-2023-23162
• CVE-2023-2320