CVE-2021-47838

HighCVSS 7.2/10Last modified Jun 17, 2026

Description

Markright 1.0 contains a persistent cross-site scripting vulnerability that allows attackers to embed malicious payloads in markdown files. Attackers can upload specially crafted markdown files that execute arbitrary JavaScript when opened, potentially enabling remote code execution on the victim's system.

Metrics

CVSS 3.1 7.2/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

No affected versions have been published.

Timeline

Published
Jan 16, 2026
Last modified
Jun 17, 2026
NVD status
Deferred

Related CVEs from 2021

CVE-2021-478397.2Marky 0.0.1 contains a persistent cross-site scripting vulnerability that allows attackers to inject malicious scripts into markdown files. CVE-2021-478407.2Moeditor 0.2.0 contains a persistent cross-site scripting vulnerability that allows attackers to store malicious payloads within markdown fiCVE-2021-478416.1SnipCommand 0.1.0 contains a cross-site scripting vulnerability that allows attackers to inject malicious payloads into command snippets. AtCVE-2021-478427.2StudyMD 0.3.2 contains a persistent cross-site scripting vulnerability that allows attackers to inject malicious scripts into markdown filesCVE-2021-478435.4Tagstoo 2.0.1 contains a stored cross-site scripting vulnerability that allows attackers to inject malicious payloads through files or custoCVE-2021-478446.1Xmind 2020 contains a cross-site scripting vulnerability that allows attackers to inject malicious payloads into mind mapping files or custoCVE-2021-478457.8Spy Emergency 25.0.650 contains an unquoted service path vulnerability in its Windows service configurations that allows local attackers to CVE-2021-478468.2Digital Crime Report Management System 1.0 contains a critical SQL injection vulnerability affecting multiple login pages that allows unauthCVE-2021-478477.8Disk Sorter Server 13.6.12 contains an unquoted service path vulnerability in its binary path configuration that allows local attackers to pCVE-2021-478488.2Blitar Tourism 1.0 contains an authentication bypass vulnerability that allows attackers to bypass login by injecting SQL code through the uCVE-2021-478497.5Mini Mouse 9.3.0 contains a path traversal vulnerability that allows attackers to access sensitive system directories through the device infCVE-2021-478507.5Mini Mouse 9.2.0 contains a path traversal vulnerability that allows remote attackers to access arbitrary system files and directories throu
CVE-2021-47838: High severity, CVSS 7.2 | Vulnix