CVE-2026-44767

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "@ui5/webcomponents-base", "vendor": "SAP_SE", "versions": [{"status": "affected", "version": "@ui5/webcomponents-base < 2.21.0"}]}], "source": "cna@sap.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "setThemeRoot() failed to enforce the sap-allowed-theme-origins allowlist. An attacker-controlled absolute cross-origin URL could be stored and used directly to construct a <link rel=stylesheet> element, even when no <meta name=sap-allowed-theme-origins> tag was present in the document. The same bypass was reachable via the ?sap-themeRoot URL parameter.Exploitation requires attacker-influenced input (e.g., a URL query parameter, tenant configuration, or user-supplied setting) to reach setThemeRoot(). A successful exploit allows an attacker to inject arbitrary CSS into the victim page, enabling:- UI redressing and clickjacking- Phishing overlays- Visual defacement- Limited data exfiltration via CSS attribute selectors targeting predictable DOM content"}, {"lang": "es", "value": "\u201csetThemeRoot()\u201d no pudo aplicar la lista de permitidos \u201csap-allowed-theme-origins\u201d. Una URL absoluta de origen cruzado controlada por un atacante podr\u00eda almacenarse y usarse directamente para construir un elemento \u201c<link rel=stylesheet>\u201d, incluso cuando no hab\u00eda ninguna etiqueta \u201c<meta name=sap-allowed-theme-origins>\u201d presente en el documento. El mismo bypass era accesible a trav\u00e9s del par\u00e1metro de URL \u201c?sap-themeRoot\u201d. La explotaci\u00f3n requiere una entrada influenciada por el atacante (p. ej., un par\u00e1metro de consulta de URL, una configuraci\u00f3n de inquilino o una configuraci\u00f3n proporcionada por el usuario) para llegar a \u201csetThemeRoot()\u201d. Un exploit exitoso permite a un atacante inyectar CSS arbitrario en la p\u00e1gina de la v\u00edctima, lo que permite:\n- Revestimiento de UI y clickjacking\n- Superposiciones de phishing\n- Desfiguraci\u00f3n visual\n- Exfiltraci\u00f3n limitada de datos a trav\u00e9s de selectores de atributos CSS dirigidos a contenido DOM predecible"}], "id": "CVE-2026-44767", "lastModified": "2026-10-24T22:10:00.210", "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": "cna@sap.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-44767", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-14T12:50:20.943832Z", "version": "2.0.3"}}]}, "published": "2026-07-14T01:16:18.140", "references": [{"source": "cna@sap.com", "url": "https://github.com/UI5/webcomponents/security/advisories/GHSA-p8gx-753q-v89p"}, {"source": "cna@sap.com", "url": "https://url.sap/sapsecuritypatchday"}], "sourceIdentifier": "cna@sap.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "cna@sap.com", "type": "Secondary"}]}

{}

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