CVE-2021-47836

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

M

arkdown 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 to execute remote commands and potentially gain system access.

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

16 Jan 2026, 22:16

Type	Values Removed	Values Added
References	~~() https://www.vulncheck.com/advisories/markdown-explorer-persistent-cross-site-scripting -~~	() https://www.vulncheck.com/advisories/markdown-explorer-persistent-cross-site-scripting -

16 Jan 2026, 19:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-16 19:16

Updated : 2026-01-26 15:05

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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