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CVE-2026-10032

6.1 medium SSVC exploitation: none Analyzed
NVD · CVE.org

The openUrl function in @a2ui/web_core passes an agent-controlled URL directly to window.open() without validating the URI scheme. A malicious agent can supply a javascript: URI as the url argument of a Button component's functionCall action. When the user clicks the rendered button, arbitrary JavaScript executes in the victim application's browser origin, constituting a stored/reflected XSS with Critical severity. No non-default configuration is required; the Basic Catalog is enabled by default.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 6.1 · googleNVD modified 2026-10-23 23:10

Affected (CPE criteria) 1

  • cpe:2.3:a:google:a2ui\/web_core:*:*:*:*:*:node.js:*:*

References 1