Read the docs
TI-2023-00950 Aliases CVE-2023-1003GHSA-mwwq-j3h6-hjc2

Typora WSH JScript code injection

Priority LOW 34CWE-94Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-94.

Summary

A vulnerability, which was classified as critical, was found in Typora up to 1.5.5 on Windows. Affected is an unknown function of the component WSH JScript Handler. The manipulation leads to code injection. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. Upgrading to version 1.5.8 is able to address this issue. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-221736.

Why it matters now

EPSS 0.00368 30th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Typora1.5.0; 1.5.1; 1.5.2; 1.5.3; 1.5.4; 1.5.5—No fix listedCNA
  • Typora Vendor— Affected 1.5.0; 1.5.1; 1.5.2; 1.5.3; 1.5.4; 1.5.5 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:typora:typora:*:*:*:*:*:*:*:*up to 1.5.5VulnerableTypora
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:typora:typora:*:*:*:*:*:*:*:* Versions up to 1.5.5 Vulnerable ·Typora
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-1003
  2. 2026-10-03 Alias added: GHSA-mwwq-j3h6-hjc2

References

  • 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