CVE-2023-2317 - CVE House
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Status published High CVE-2023-2317

Typora DOM-Based Cross-site Scripting leading to Remote Code Execution

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Li Jiantao (@CurseRed) of STAR Labs SG Pte. Ltd. (@starlabs_sg)

Affected Vendor

Affected Software

Typora
Vulnerable Versions:
0

Timeline

Official Publish: August 19th, 2023
Last Modified: October 7th, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Weaknesses (CWE)