CVE-2021-47840

Summary

Moeditor 0.2.0 contains a persistent cross-site scripting vulnerability that allows attackers to store malicious payloads within markdown files. Attackers can upload specially crafted markdown files with embedded JavaScript that execute when opened, potentially enabling remote code execution on the victim's system.

Affected Software

Weaknesses

• CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

Additional References

• https://www.vulncheck.com/advisories/moeditor-persistent-cross-site-scripting

References

• https://www.exploit-db.com/exploits/49830
• https://moeditor.js.org/
• https://imgur.com/a/UdP4JaX
• https://www.vulncheck.com/advisories/moeditor-persistent-cross-site-scripting

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