CVE-2023-2317

Typora DOM-Based Cross-site Scripting leading to Remote Code Execution

CVSS 8.6 HIGHEPSS 2.2%CWE-79

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.6EPSS 2.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

19 Aug 2023Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

Affected products

Typora · Typora

References

https://starlabs.sg/advisories/23/23-2317/https://support.typora.io/What's-New-1.6/