CVE-2026-73037

Next AI Draw.io 0.2.1 through 0.4.16 contains a reflected cross-site scripting vulnerability in the mcp query parameter that is interpolated without escaping into HTML and JavaScript. Attackers can craft malicious URLs to execute arbitrary JavaScript in the localhost origin, enabling exfiltration of diagram sessions and API data.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/DayuanJiang/next-ai-draw-io/issues/917
https://www.vulncheck.com/advisories/next-ai-draw-io-reflected-xss-via-unsanitized-mcp-query-parameter

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-13 19:17

Updated : 2026-09-09 20:35

NVD link : CVE-2026-73037

Mitre link : CVE-2026-73037

CVE.ORG link : CVE-2026-73037

JSON object : View

Products Affected

No product.

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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