QMarkdown Cross-Site Scripting (XSS) vulnerability

Description

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

Recommendation

Update the @quasar/quasar-ui-qmarkdown package to the latest compatible version. Followings are version details:

• Affected version(s): < 2.0.5
• Patched version(s): 2.0.5

References

• GHSA-wm65-ph3w-587c
• CVE-2025-43954
• CWE-79
• CAPEC-310
• OWASP 2021-A3
• OWASP 2021-A6

Related Issues

• Parse Server has a Cross-Site Scripting (XSS) vulnerability via Unescaped Mustache Template Variables - CVE-2025-68115
• CKEditor 5 cross-site scripting (XSS) vulnerability in the clipboard package - CVE-2025-58064
• GetmeUK ContentTools Cross-Site Scripting (XSS) - CVE-2025-2699
• Vega Cross-Site Scripting (XSS) via event filter when not using CSP mode expressionInterpeter (GHSA-rcw3-wmx7-cphr) - CVE-2025-26619

Tags:

npm

@quasar/quasar-ui-qmarkdown