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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 typ...
CVE-2023-2317 · published 3 years ago
Summary
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 op...
What to do
- Update typora typora to version 1.6.7 or later.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| typora | typora |
< 1.6.7 cpe:2.3:a:typora:typora:*:*:*:*:*:*:*:* |
Original advisory text
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 typ...
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/ Exploit Mitigation Third Party Advisory
- https://support.typora.io/What's-New-1.6/ Vendor Advisory
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker full control
Type
CWE-79Cross-site Scripting (XSS)
Timeline
Published19 Aug 2023
Updated29 Oct 2026
First seen29 Sep 2026
Sources
CVE-2023-2317 · NVD
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