Joomla Extension - svenbluege.de - Reflected XSS and open redirect in Event Gallery extension < 6.5.0

{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-97165",
    "assignerOrgId": "6ff30186-7fb7-4ad9-be33-533e7b05e586",
    "assignerShortName": "Joomla",
    "dateUpdated": "2026-09-27T11:44:38.823Z",
    "dateReserved": "2026-09-24T04:35:50.608Z",
    "datePublished": "2026-09-27T11:44:38.823Z",
    "state": "PUBLISHED"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "6ff30186-7fb7-4ad9-be33-533e7b05e586",
        "shortName": "Joomla",
        "dateUpdated": "2026-09-27T11:44:38.823Z"
      },
      "title": "Joomla Extension - svenbluege.de - Reflected XSS and open redirect in Event Gallery extension < 6.5.0",
      "descriptions": [
        {
          "lang": "en",
          "value": "Joomla Extension - svenbluege.de - Reflected XSS and open redirect in Event Gallery extension < 6.5.0 - The “return” parameter is base64-decoded and written to the “Back” link without being validated.",
          "supportingMedia": [
            {
              "type": "text/html",
              "base64": false,
              "value": "Joomla Extension - svenbluege.de - Reflected XSS and open redirect in Event Gallery extension < 6.5.0 - The “return” parameter is base64-decoded and written to the “Back” link without being validated."
            }
          ]
        }
      ],
      "affected": [
        {
          "vendor": "svenbluege.de",
          "product": "Event Gallery for Joomla",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "1.0.0-6.0.0",
              "status": "affected"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "CWE-601 URL Redirection to Untrusted Site ('Open Redirect')",
              "cweId": "CWE-601",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')",
              "cweId": "CWE-79",
              "type": "CWE"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://www.svenbluege.de/",
          "tags": [
            "product"
          ]
        }
      ],
      "metrics": [
        {
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ]
    }
  }
}