Joomla Extension - icagenda.com - Authenticated Stored XSS in iCagenda 4.0.8 to 4.0.12

{
  "id": "0260f46846791da2296e74983f580919b4ff4df1cf215b8dcfe790953b935d3d",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-102790",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Joomla Extension - icagenda.com - Authenticated Stored XSS in iCagenda 4.0.8 to 4.0.12",
    "summary": "Joomla Extension - icagenda.com - Stored XSS via url-type event Custom Field in iCagenda 3.2.1 to 4.0.16",
    "evidence": "cve:CVE-2026-102790",
    "products": [
      {
        "name": {
          "value": "iCagenda extension for Joomla",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-102790",
      "aliases": [
        "CVE-2026-102790"
      ],
      "metrics": [
        {
          "format": "CVSS",
          "cvssV4_0": {
            "Safety": "NOT_DEFINED",
            "version": "4.0",
            "Recovery": "NOT_DEFINED",
            "baseScore": 8.6,
            "Automatable": "NOT_DEFINED",
            "attackVector": "NETWORK",
            "baseSeverity": "HIGH",
            "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",
            "exploitMaturity": "NOT_DEFINED",
            "providerUrgency": "NOT_DEFINED",
            "userInteraction": "PASSIVE",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "privilegesRequired": "LOW",
            "subIntegrityImpact": "NONE",
            "vulnIntegrityImpact": "HIGH",
            "subAvailabilityImpact": "NONE",
            "vulnAvailabilityImpact": "LOW",
            "subConfidentialityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "affected": [
        {
          "vendor": "icagenda.com",
          "product": "iCagenda extension for Joomla",
          "versions": [
            {
              "status": "affected",
              "version": "3.2.1-4.0.16"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "modified": "2026-10-28T11:56:12.050Z",
      "provider": "cve",
      "references": [
        "https://www.icagenda.com/"
      ],
      "provider_metadata": {
        "cna": {
          "orgId": "6ff30186-7fb7-4ad9-be33-533e7b05e586",
          "shortName": "Joomla",
          "dateUpdated": "2026-10-28T11:56:12.050Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-102790",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 432227,
  "published_at": "2026-10-28T11:56:12.05+00:00"
}