VULNERABILITY INTELLIGENCE

CVE-2023-2317

CVSS score8.6 HIGH

EPSS probability2.44%

CISA KEVNot currently listed

Published2023-08-19

Last modified2026-06-17

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

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.

Weakness classification

info@starlabs.sg: CWE-79
nvd@nist.gov: CWE-79

Primary references

info@starlabs.sg — Exploit, Mitigation, Third Party Advisory
info@starlabs.sg — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Mitigation, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory