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CVE-2021-47838

HIGH

7.2

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.

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/dvcrn/markright(disclosure@vulncheck.com)

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

https://www.exploit-db.com/exploits/49834(disclosure@vulncheck.com)

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

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

Correlations IOC

Aucune correlation enregistree

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