CVE-2018-6806: Marked 2 Project Marked 2

Medium severity, CVSS 6.5. EPSS: 1.2% chance of exploitation in the next 30 days.

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.

Affected products

• Marked 2 Project Marked 2: up to and including 2.5.11

Published 2018-02-07. Last modified 2026-06-17.