CVE-2021-47838: Dvcrn Markright

High severity, CVSS 7.2. EPSS: 0.5% chance of exploitation in the next 30 days.

Markright 1.0 contains a persistent cross-site scripting vulnerability that allows attackers to embed malicious payloads in markdown files. Attackers can upload specially crafted markdown files that execute arbitrary JavaScript when opened, potentially enabling remote code execution on the victim's system.

Affected products

• Dvcrn Markright: version 1.0 only

Published 2026-01-16. Last modified 2026-06-17.