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CVE-2021-47837

HIGH

7.2

Descripcion

Markdownify 1.2.0 contains a persistent cross-site scripting vulnerability that allows attackers to store malicious payloads within markdown files. Attackers can upload crafted markdown files with embedded scripts that execute when the file is opened, potentially enabling remote code execution.

Detalles CVE

Puntuacion CVSS v3.17.2

SeveridadHIGH

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

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosNONE

Interaccion usuarioNONE

Publicado1/16/2026

Ultima modificacion1/26/2026

Fuentenvd

Avistamientos honeypot0

Debilidades (CWE)

CWE-79

Referencias

https://github.com/amitmerchant1990/electron-markdownify(disclosure@vulncheck.com)

https://imgur.com/a/T4jBoiS(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/49835(disclosure@vulncheck.com)

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

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

Correlaciones IOC

Sin correlaciones registradas

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