What’s Vulnerable › Vulnerabilities

CVE-2021-47963: Anote 1.0 Persistent Cross-Site Scripting Leading to Code Execution

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-15 · updated 2026-06-17
• Weakness: CWE-79

Description

Anote 1.0 contains a persistent cross-site scripting vulnerability that allows attackers to execute arbitrary code by injecting malicious payloads into markdown files stored within the application. Attackers can craft malicious markdown files with embedded JavaScript that executes system commands when opened, enabling remote code execution on the victim's computer.

Affected products

• AnotherNote Anote: 1.0

References

• https://github.com/AnotherNote/anote
• https://www.exploit-db.com/exploits/49836
• https://www.vulncheck.com/advisories/anote-persistent-cross-site-scripting-remote-code-execution

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