CVE-2023-1003

Name: CVE-2023-1003
Creator: NVD / NIST
Published: 2023-03-07T20:15:09.01+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.37%

Last modified Jun 17, 2026

CVE-2023-1003 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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. EPSS estimates a 0.37% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.37%

28.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Typora	Typora	<= 1.5.5

References

https://github.com/typora/typora-issues/issues/5623Exploit, Issue Tracking, Third Party Advisory
https://vuldb.com/?ctiid.221736Third Party Advisory
https://vuldb.com/?id.221736Third Party Advisory
https://github.com/typora/typora-issues/issues/5623Exploit, Issue Tracking, Third Party Advisory
https://vuldb.com/?ctiid.221736Third Party Advisory
https://vuldb.com/?id.221736Third Party Advisory

Timeline

Published: Mar 7, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-1003?

How severe is CVE-2023-1003?

CVE-2023-1003 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.

How do I fix CVE-2023-1003?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-1003?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST