CVE-2021-47840 MEDIUM

CVE-2021-47840: Moeditor 0.2.0 - Persistent Cross-Site Scripting

Vendor Moeditor
Product Moeditor
Weakness CWE-79 · XSS
Published January 16, 2026
Last update January 16, 2026

CVSS base score

5.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 16, 2026 CVE published
January 16, 2026 Record updated