CVE-2026-73037

MEDIUM CVSS 4.0: 5.1 EPSS 0.15%
Updated Aug 14, 2026
Dayuanjiang
Parameter Value
CVSS 5.1 (MEDIUM)
Affected Versions 0.2.1 — 0.4.16
Type CWE-79 (Cross-Site Scripting (XSS))
Vendor Dayuanjiang
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
Active
User action required

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v4.0

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Dayuanjiang Next_Ai_Draw.Io
cpe:2.3:a:dayuanjiang:next_ai_draw.io:*:*:*:*:*:*:*:*
0.2.1 <= 0.4.16