VULNERABILITY INTELLIGENCE

CVE-2021-47837

CVSS score7.2 HIGH
EPSS probability0.44%
CISA KEVNot currently listed
Published2026-01-16
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Description

Markdownify 1.2.0 contains a persistent cross-site scripting vulnerability that allows attackers to store malicious payloads within markdown files. Attackers can upload crafted markdown files with embedded scripts that execute when the file is opened, potentially enabling remote code execution.

Weakness classification

  • disclosure@vulncheck.com: CWE-79

Primary references