CVE-2023-2318

9.6 criticalEPSS 0.5%

Critical (9.6) in marktext marktext. EPSS 0.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.6 critical

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 45% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2023-08-19
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

marktext:marktext

References

https://github.com/marktext/marktext/issues/3618
https://starlabs.sg/advisories/23/23-2318/
https://github.com/marktext/marktext/issues/3618
https://starlabs.sg/advisories/23/23-2318/

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