CVE-2026-50543

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{"affected": [{"affectedData": [{"product": "xibo-cms", "vendor": "xibosignage", "versions": [{"status": "affected", "version": "< 4.4.3"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Xibo is an open source digital signage platform with a web content management system and Windows display player software. Prior to 4.4.3, missing authorization on `POST /displaygroup/criteria/{displayGroupId}` allows an authenticated user to send criteria updates to any display via `XMR`. These criteria determine schedule changes and can alter playback, for example by causing content scheduled for rainy weather to play when it is not raining. Exploitation requires `Schedule Criteria` to be in use on the CMS. This issue is fixed in version 4.4.3."}, {"lang": "es", "value": "Xibo es una plataforma de se\u00f1alizaci\u00f3n digital de c\u00f3digo abierto con un sistema de gesti\u00f3n de contenido web y software de reproductor de pantalla para Windows. Versiones anteriores a la 4.4.3, la falta de autorizaci\u00f3n en \u201cPOST /displaygroup/criteria/{displayGroupId}\u201d permite a un usuario autenticado enviar actualizaciones de criterios a cualquier pantalla a trav\u00e9s de \u201cXMR\u201d. Estos criterios determinan los cambios de programaci\u00f3n y pueden alterar la reproducci\u00f3n, por ejemplo, haciendo que el contenido programado para clima lluvioso se reproduzca cuando no est\u00e1 lloviendo. La explotaci\u00f3n requiere que los Criterios de Programaci\u00f3n est\u00e9n en uso en el CMS. Este problema est\u00e1 solucionado en la versi\u00f3n 4.4.3."}], "id": "CVE-2026-50543", "lastModified": "2026-11-04T23:10:00.223", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-50543", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-03T13:03:44.615664Z", "version": "2.0.3"}}]}, "published": "2026-10-28T16:17:08.073", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/xibosignage/xibo-cms/commit/93587cf872392e91534bb50aa6be071821383e25"}, {"source": "security-advisories@github.com", "url": "https://github.com/xibosignage/xibo-cms/commit/aeca5d6bfbc5eb8a825e6950913c9ab25dc9edc0"}, {"source": "security-advisories@github.com", "url": "https://github.com/xibosignage/xibo-cms/pull/3488"}, {"source": "security-advisories@github.com", "url": "https://github.com/xibosignage/xibo-cms/releases/tag/4.4.3"}, {"source": "security-advisories@github.com", "url": "https://github.com/xibosignage/xibo-cms/releases/tag/4.5.0-beta"}, {"source": "security-advisories@github.com", "url": "https://github.com/xibosignage/xibo-cms/security/advisories/GHSA-737f-mfxg-jv9q"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,4.4.3)"}}], "enrichment": {"confidence": 89.0, "confidence_source": "matching", "scores": [{"score": 89.0, "source": "matching"}]}, "original": {"product": "xibo-cms", "source": "cna", "vendor": "xibosignage"}, "product": "xibo", "vendor": "xibosignage"}], "created": "2026-10-28T16:30:15.961406+00:00", "updated": "2026-10-28T22:00:16.643272+00:00", "vendors": ["xibosignage", "xibosignage$PRODUCT$xibo"]}