CVE-2021-47840: Moeditor

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

Moeditor 0.2.0 contains a persistent cross-site scripting vulnerability that allows attackers to store malicious payloads within markdown files. Attackers can upload specially crafted markdown files with embedded JavaScript that execute when opened, potentially enabling remote code execution on the victim's system.

Affected products

• Moeditor Moeditor: version 0.2.0 only

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