CVE-2018-6806

Marked 2 through 2.5.11 allows remote attackers to read arbitrary files via a crafted HTML document that triggers a redirect to an x-marked://preview?text= URL. The value of the text parameter can include arbitrary JavaScript code, e.g., making XMLHttpRequest calls.

• CWE-200

• http://support.markedapp.com/discussions/questions/9089-reporting-a-vulnerabilityIssue Tracking, Third Party Advisory
• http://www.lynxsecurity.io/releases/Local%20File%20Disclosure%20in%20Marked2.pdfExploit, Third Party Advisory
• http://support.markedapp.com/discussions/questions/9089-reporting-a-vulnerabilityIssue Tracking, Third Party Advisory
• http://www.lynxsecurity.io/releases/Local%20File%20Disclosure%20in%20Marked2.pdfExploit, Third Party Advisory

Published

Feb 7, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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