CVE-2023-2317CWE-79

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

High · published August 19, 2023

CVSS v3.1
8.6
EPSS
2%
Percentile
84.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.6 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02442 · 84.2th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2023-08-19T05:35Z
EPSS history
Timeline
  • 19 AUG 05:35Z
    Typora DOM-Based Cross-site Scripting leading to Remote Code Execution
    cvelistv5