CVE-2023-2317

9.6 criticalEPSS 2.4%

Critical (9.6) in typora typora. EPSS 2.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.6 critical

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

EPSS: 2.4% chance of exploitation in the next 30 days; higher than 84% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2023-08-19
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

typora:typora

References

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

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