TI-2023-20751 Aliases CVE-2023-39703 GHSA-wjw8-8f46-9qxh

A cross site scripting (XSS) vulnerability in the Markdown Editor component of Typora…

MEDIUM 60CWE-79Published 2023-09-01 · Updated 2024-10-01

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00476 41st percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:typora:typora::::::::	before 1.6.7	Vulnerable	Typora

cpe:2.3:a:typora:typora:*:*:*:*:*:*:*:* Versions before 1.6.7 Vulnerable ·Typora

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-39703
2026-10-03 Alias added: GHSA-wjw8-8f46-9qxh

References

Exploit 1

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

TI-2023-02173 Typora DOM-Based Cross-site Scripting leading to Remote Code Execution CVSS 3.1CRITICAL 9.6
TI-2023-02172 Typora Local File Disclosure CVSS 3.1HIGH 7.4
TI-2020-13372 Cross Site Scripting (XSS) vulnerability found in Typora v.0.9.65 allows a remote… CVSS 3.1HIGH 7.4
TI-2024-22009 Typora v1.0.0 through v1.7 version (below) Markdown editor has a cross-site scripting… CVSS 3.1HIGH 7.3
TI-2023-02783 Typora Local File Disclosure CVSS 3.1MEDIUM 6.5
TI-2024-20929 An issue in Typora v.1.8.10 and before, allows a local attacker to obtain sensitive… CVSS 3.1MEDIUM 6.1

See all 22 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences