CVE-2022-21158: Marktext

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

A stored cross-site scripting vulnerability in marktext versions prior to v0.17.0 due to improper handling of the link (with javascript: scheme) inside the document may allow an attacker to execute an arbitrary script on the PC of the user using marktext.

Affected products

• Marktext Marktext: before 0.17.0 (fixed in 0.17.0)

Published 2022-03-10. Last modified 2026-06-17.