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.
History

Fri, 14 Aug 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Fri, 14 Aug 2026 17:15:00 +0000

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

Thu, 13 Aug 2026 20:15:00 +0000

Type Values Removed Values Added
First Time appeared Dayuanjiang
Dayuanjiang next-ai-draw-io
Vendors & Products Dayuanjiang
Dayuanjiang next-ai-draw-io

Thu, 13 Aug 2026 18:30:00 +0000

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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-08-13T18:18:57.753Z

Updated: 2026-08-14T19:45:25.604Z

Reserved: 2026-08-10T18:48:59.023Z

Link: CVE-2026-73037

cve-icon Vulnrichment

Updated: 2026-08-14T18:30:23.737Z

cve-icon NVD

Status : Received

Published: 2026-08-13T19:17:33.960

Modified: 2026-08-14T20:16:57.490

Link: CVE-2026-73037

cve-icon Redhat

No data.