Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Typora | Typora | < 1.6.7 |
| Linux | Linux Kernel | - |
| Microsoft | Windows | - |
Related Weaknesses (CWE)
References
- https://starlabs.sg/advisories/23/23-2317/ExploitMitigationThird Party Advisory
- https://support.typora.io/What's-New-1.6/Vendor Advisory
- https://starlabs.sg/advisories/23/23-2317/ExploitMitigationThird Party Advisory
- https://support.typora.io/What's-New-1.6/Vendor Advisory
FAQ
What is CVE-2023-2317?
CVE-2023-2317 is a vulnerability with a CVSS score of 8.6 (HIGH). 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...
How severe is CVE-2023-2317?
CVE-2023-2317 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-2317?
Check the references section above for vendor advisories and patch information. Affected products include: Typora Typora, Linux Linux Kernel, Microsoft Windows.