CVE-2021-47837
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.
Published:Jan 16, 2026
Last Modified:Apr 15, 2026
EPS:Jan 16, 2026
EPSS Score:0.00038
CVSS Score:7.2
Affected Products
Vendor
Product
Action
Vendor
Amitmerchant1990
Product
Markdownify
Amitmerchant1990
Markdownify
Vendor
Matthewwithanm
Product
Markdownify
Matthewwithanm
Markdownify
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
