PT-2026-3292 · Unknown · Markdownify

Taurusomar · Publicado 2026-01-16 · Atualizado 2026-01-16 · CVE-2021-47837

Positive Technologies (AI Summary)

CVSS v3.1

7.2

Alta

Vetor base

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

Name of the Vulnerable Software and Affected Versions Markdownify version 1.2.0

Description Markdownify version 1.2.0 has a persistent cross-site scripting issue. Attackers can store malicious payloads within markdown files. Uploading crafted markdown files with embedded scripts allows execution when the file is opened, potentially enabling remote code execution.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Enumeração de Fraquezas

CWE-79

Identificadores relacionados

CVE-2021-47837

Produtos afetados

Markdownify

Referências · 7

• 🔥 https://imgur.com/a/T4jBoiS · Exploit
• 🔥 https://exploit-db.com/exploits/49835 · Exploit
• 🔥 https://vulncheck.com/advisories/markdownify-persistent-cross-site-scripting · Exploit
• https://github.com/amitmerchant1990/electron-markdownify · Nota
• https://osv.dev/vulnerability/CVE-2021-47837 · Aviso do Fabricante
• https://twitter.com/CVEnew/status/2012303207758970895 · Publicação no Twitter
• https://nvd.nist.gov/vuln/detail/CVE-2021-47837 · Nota de Segurança