CVE-2026-50543

{
  "id": "CVE-2026-50543",
  "sourceIdentifier": "[email protected]",
  "published": "2026-10-28T16:17:08.073",
  "lastModified": "2026-10-29T15:07:18.743",
  "vulnStatus": "Deferred",
  "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."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "xibosignage",
          "product": "xibo-cms",
          "versions": [
            {
              "version": "< 4.4.3",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/xibosignage/xibo-cms/commit/93587cf872392e91534bb50aa6be071821383e25",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/xibosignage/xibo-cms/commit/aeca5d6bfbc5eb8a825e6950913c9ab25dc9edc0",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/xibosignage/xibo-cms/pull/3488",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/xibosignage/xibo-cms/releases/tag/4.4.3",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/xibosignage/xibo-cms/releases/tag/4.5.0-beta",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/xibosignage/xibo-cms/security/advisories/GHSA-737f-mfxg-jv9q",
      "source": "[email protected]"
    }
  ]
}