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CVE-2021-47839

HIGH

7.2

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.17.2

SeveridadeHIGH

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado1/16/2026

Ultima modificacao1/26/2026

Fontenvd

Avistamentos honeypot0

Fraquezas (CWE)

CWE-79

Referencias

https://github.com/vesparny/marky(disclosure@vulncheck.com)

https://imgur.com/a/qclfrUx(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/49831(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/marky-persistent-cross-site-scripting(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/marky-persistent-cross-site-scripting(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlacoes IOC

Sem correlacoes registradas

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