{"affected":[{"affectedData":[{"defaultStatus":"unaffected","product":"@a2ui/web_core","vendor":"Google","versions":[{"status":"affected","version":"0.9.0"},{"status":"affected","version":"0.9.1-alpha.0"},{"status":"affected","version":"0.9.1-alpha.1"},{"status":"affected","version":"0.9.1-alpha.2"},{"status":"affected","version":"0.9.1-alpha.3"},{"status":"affected","version":"0.9.1-alpha.4"},{"status":"affected","version":"0.9.1-alpha.5"},{"status":"affected","version":"0.9.1"},{"status":"affected","version":"0.9.2"},{"status":"affected","version":"0.10.0"},{"status":"affected","version":"0.10.1"}]}],"source":"cve-coordination@google.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:google:a2ui\\/web_core:*:*:*:*:*:node.js:*:*","matchCriteriaId":"352DFD87-AAE0-45C1-8DB8-A4523D84522E","versionEndExcluding":"0.10.2","versionStartIncluding":"0.9.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"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."}],"id":"CVE-2026-10032","lastModified":"2026-09-23T15:59:07.417","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"exploitabilityScore":2.8,"impactScore":2.7,"source":"nvd@nist.gov","type":"Primary"}],"cvssMetricV40":[{"cvssData":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","availabilityRequirement":"NOT_DEFINED","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityRequirement":"NOT_DEFINED","exploitMaturity":"UNREPORTED","integrityRequirement":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"source":"cve-coordination@google.com","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2026-10032","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","timestamp":"2026-08-04T17:42:13.437105Z","version":"2.0.3"}}]},"published":"2026-08-04T16:16:20.983","references":[{"source":"cve-coordination@google.com","tags":["Vendor Advisory"],"url":"https://github.com/a2ui-project/a2ui/security/advisories/GHSA-72qq-p3r5-f7wq"}],"sourceIdentifier":"cve-coordination@google.com","vulnStatus":"Analyzed","weaknesses":[{"description":[{"lang":"en","value":"CWE-79"}],"source":"cve-coordination@google.com","type":"Secondary"}]}