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.
Published: 2026-08-13
Score: 5.1 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

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'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-08-13T18:22:10.760Z

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

Link: CVE-2026-73037

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

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

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

Link: CVE-2026-73037

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses