Description
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.
References
https://starlabs.sg/advisories/23/23-2317/
ExploitMitigationThird Party Advisory
https://support.typora.io/What's-New-1.6/
Vendor Advisory
CVSS impact metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
9.6 · Critical
CVSS V3.1
CVSS V3.0
CVSS V2.0
Information
Source identifier
Vulnerability status
Analyzed
Published
2023-08-19T06:15:46.687
1 year agoLast modified
2023-08-24T20:12:21.367
1 year ago