CVE-2023-1004: A vulnerability has been found in MarkText up to 0.17.1 on Windows and classified as critical

Q: How do I fix CVE-2023-1004?

marktext: upgrade to newer than 0.17.1. Exact commands for each OS are on this page.

Q: Is CVE-2023-1004 being exploited?

CVE-2023-1004 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-1004 affect?

CVE-2023-1004 affects marktext. Severity is medium (CVSS 5.3). A vulnerability has been found in MarkText up to 0.17.1 on Windows and classified as critical. Affected by this vulnerability is an unknown functionality of the component WSH JScript Handler. The manipulation leads to code injection. Local

Q: How urgent is CVE-2023-1004?

Priority 31/100. Public exploit reference

Routine

MEDIUM 5.3UPGRADE

CVE-2023-1004 is a medium-severity flaw (CVSS 5.3) affecting marktext. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability has been found in MarkText up to 0.17.1 on Windows and classified as critical. Affected by this vulnerability is an unknown functionality of the component WSH JScript Handler. The manipulation leads to code injection. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The identifier VDB-221737 was assigned to this vulnerability.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 68%)
CISA exploited list	No
Weakness	CWE-94
Published	2023-02-24
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: marktext

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-02-24 08:15 UTCPublished CVE record published
2026-06-17 05:26 UTCUpdated Record last modified

marktext marktext UPGRADE

Affected: <= 0.17.1

Fixed in: newer than 0.17.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy marktext || rpm -q marktext || marktext --version

2. UPGRADE to newer than 0.17.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade marktext

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade marktext

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-1004?

marktext: upgrade to newer than 0.17.1. Exact commands for each OS are on this page.

Is CVE-2023-1004 being exploited?

CVE-2023-1004 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-1004 affect?

CVE-2023-1004 affects marktext. Severity is medium (CVSS 5.3). A vulnerability has been found in MarkText up to 0.17.1 on Windows and classified as critical. Affected by this vulnerability is an unknown functionality of the component WSH JScript Handler. The manipulation leads to code injection. Local

How urgent is CVE-2023-1004?

Priority 31/100. Public exploit reference

Software pages

Windows vulnerabilities

Related CVEs

CVE-2023-2318 HIGH 8.6 UPGRADE DOM-based XSS in src/muya/lib/contentState/pasteCtrl.js in MarkText 0.17.1 and before on Windows, Linux and ma

References

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