QMarkdown Cross-Site Scripting (XSS) vulnerability
Date: 2025-04
Affected: npm/@quasar/quasar-ui-qmarkdown
Attack vector: xss
Category: vulnerability-disclosure
Severity: Medium
CVE: CVE-2025-43954
CWE: CWE-79
CVSS: 4.9 (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N)

QMarkdown (aka quasar-ui-qmarkdown) before 2.0.5 allows XSS via headers even when when no-html is set.


Mitigations:

Architectural layers (MAESTRO):