CVE-2023-39703

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-09-01 · updated 2026-06-17
Weakness: CWE-79

Description

A cross site scripting (XSS) vulnerability in the Markdown Editor component of Typora v1.6.7 allows attackers to execute arbitrary code via uploading a crafted Markdown file.

Affected products

Typora: before 1.6.7 — fixed in 1.6.7

How to fix

Upgrade to a fixed version: Typora 1.6.7. Check the vendor advisory for mitigations.

References

https://c0olw.github.io/2023/07/31/Typora-XSS-Vulnerability/
https://c0olw.github.io/2023/07/31/Typora-XSS-Vulnerability/

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