CVE-2021-47836
Medium
Description
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.
SeverityMedium
CVSS6.1
Exploit probability—
ProductMarkdown Explorer
PublishedJan 16, 2026
First seenJan 16, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| jersou Markdown Explorer | 0.1.1 | — |
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