CVE-2023-2318

CriticalCVSS 9.6/10Last modified Jun 17, 2026

Description

DOM-based XSS in src/muya/lib/contentState/pasteCtrl.js in MarkText 0.17.1 and before on Windows, Linux and macOS allows arbitrary JavaScript code to run in the context of MarkText main window. This vulnerability can be exploited if a user copies text from a malicious webpage and paste it into MarkText.

Metrics

CVSS 3.1 9.6/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
MarkText	MarkText	<= 0.17.1
marktext	marktext	<= 0.17.1

References

https://github.com/marktext/marktext/issues/3618Exploit, Issue Tracking
https://starlabs.sg/advisories/23/23-2318/Exploit, Third Party Advisory
https://github.com/marktext/marktext/issues/3618Exploit, Issue Tracking
https://starlabs.sg/advisories/23/23-2318/Exploit, Third Party Advisory

Timeline

Published: Aug 19, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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