Vulnerability Database

322,905

Total vulnerabilities in the database

CVE-2021-47838

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.

  • Published: Jan 16, 2026
  • Updated: Jan 17, 2026
  • CVE: CVE-2021-47838
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.2
  • AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N