CVE-2021-47840

HighCVSS 7.2/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 7.2/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

No affected versions have been published.

Timeline

Published
Jan 16, 2026
Last modified
Jun 17, 2026
NVD status
Deferred

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CVE-2021-47840: High severity, CVSS 7.2 | Vulnix