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CVE-2021-47839

No fix known EPSS <1%CVSS 7.2

Marky 0.0.1 contains a persistent cross-site scripting vulnerability that allows attackers to inject malicious scripts into markdown files. Attackers can upload crafted markdown files with embedded JavaScript payloads that execute when the file is opened, potentially enabling remote code execution.

Published 2026-01-16 · CVE record · OSV

Products: vesparny Marky, Logging Subsystem for Red Hat OpenShift, Red Hat Satellite 6