CVE-2026-73037

Next AI Draw.io 0.2.1 - 0.4.16 Reflected XSS via unsanitized mcp query parameter

Published Aug 13, 2026 CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Dayuanjiang next Ai Draw.io
CPEs cpe:2.3:a:dayuanjiang:next_ai_draw.io:*:*:*:*:*:*:*:*
Vendors & Products Dayuanjiang next Ai Draw.io
Type Values Removed Values Added
First Time appeared Dayuanjiang
Dayuanjiang next-ai-draw-io
Vendors & Products Dayuanjiang
Dayuanjiang next-ai-draw-io
Type Values Removed Values Added
Description 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.
Title Next AI Draw.io 0.2.1 - 0.4.16 Reflected XSS via unsanitized mcp query parameter
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Aug 14, 2026, 7:45 PM
Reserved
Aug 10, 2026, 6:48 PM
Status
Deferred
Published
Aug 13, 2026, 7:17 PM
Modified
Sep 9, 2026, 8:35 PM