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CVE-2021-47837

HIGH

7.2

Description

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.

Details CVE

Score CVSS v3.17.2

SeveriteHIGH

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie1/16/2026

Derniere modification1/26/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-79

References

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)

Correlations IOC

Aucune correlation enregistree

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