PT-2026-3294
CVE-2021-47839
·
Published
2026-01-16
·
Updated
2026-06-30
Description by
CVSS 3.1
7.2
HighMetricsAV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Name of the Vulnerable Software and Affected Versions
Marky version 0.0.1
Description
Marky version 0.0.1 contains a persistent cross-site scripting issue. Attackers can upload crafted markdown files with embedded JavaScript payloads. When these files are opened, the embedded scripts execute, potentially enabling remote code execution. The issue allows attackers to inject malicious scripts into markdown files.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploitability
Exploit
Impacts
Vendors
Affected products
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