CVE-2021-47836

Markdown Explorer 0.1.1 contains a cross-site scripting vulnerability that allows attackers to inject malicious code through file uploads and editor inputs. Attackers can upload markdown files with embedded JavaScript payloads that execute in the application's privileged renderer context, allowing code execution on the host.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/jersou/markdown-explorer
https://imgur.com/a/w4bcPWs
https://www.exploit-db.com/exploits/49826
https://www.vulncheck.com/advisories/markdown-explorer-persistent-cross-site-scripting
https://www.vulncheck.com/advisories/markdown-explorer-persistent-cross-site-scripting

Configurations

No configuration.

History

No history.

Information

Published : 2026-01-16 19:16

Updated : 2026-06-17 04:18

NVD link : CVE-2021-47836

Mitre link : CVE-2021-47836

CVE.ORG link : CVE-2021-47836

JSON object : View

Products Affected

No product.

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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