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

• Prototype Pollution in lodash (GHSA-p6mc-m468-83gw) - CVE-2020-8203
• Cross-site Scripting (XSS) in serialize-javascript - CVE-2024-11831
• MathLive's Lack of Escaping of HTML allows for XSS - CVE-2025-29049
• Atro CSRF Middleware Bypass (security.checkOrigin) - CVE-2024-56140

Tags:

npm

@quasar/quasar-ui-qmarkdown