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CVE-2021-47839

Опубликовано: 16 янв. 2026
Источник: redhat

Описание

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.

A flaw was found in Marky. This persistent cross-site scripting (XSS) vulnerability allows attackers to inject malicious scripts into markdown files. Attackers can upload specially crafted markdown files containing JavaScript code. When these files are opened, the embedded scripts execute, potentially leading to remote code execution.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Logging Subsystem for Red Hat OpenShiftopenshift-logging/cluster-logging-operator-bundleNot affected
Logging Subsystem for Red Hat OpenShiftopenshift-logging/cluster-logging-rhel9-operatorNot affected
Logging Subsystem for Red Hat OpenShiftopenshift-logging/eventrouter-rhel9Not affected
Logging Subsystem for Red Hat OpenShiftopenshift-logging/fluentd-rhel9Not affected
Logging Subsystem for Red Hat OpenShiftopenshift-logging/log-file-metric-exporter-rhel9Not affected
Logging Subsystem for Red Hat OpenShiftopenshift-logging/logging-view-plugin-rhel9Not affected
Logging Subsystem for Red Hat OpenShiftopenshift-logging/vector-rhel9Not affected
Red Hat Satellite 6satellite/iop-vulnerability-frontend-rhel9Not affected

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Дополнительная информация

Статус:

Important
Дефект:
CWE-79
https://bugzilla.redhat.com/show_bug.cgi?id=2430451marky: Marky: Remote Code Execution via persistent cross-site scripting

Связанные уязвимости

CVSS3: 7.2
nvd
8 месяцев назад

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.

CVSS3: 7.2
github
8 месяцев назад

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.