Vulnerability Description
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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/vesparny/marky
- https://imgur.com/a/qclfrUx
- https://www.exploit-db.com/exploits/49831
- https://www.vulncheck.com/advisories/marky-persistent-cross-site-scripting
- https://www.vulncheck.com/advisories/marky-persistent-cross-site-scripting
FAQ
What is CVE-2021-47839?
CVE-2021-47839 is a vulnerability with a CVSS score of 7.2 (HIGH). 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 Ja...
How severe is CVE-2021-47839?
CVE-2021-47839 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-47839?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.