Security advisory

{
  "id": "8009eedf569c45378b56cb747e6b735aff5a792b01686b5ab457a4c2d2024cc3",
  "url": "https://osv.dev/vulnerability/CVE-2019-11818",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-11818",
    "summary": "Alkacon OpenCMS v10.5.4 and before is affected by stored cross site scripting (XSS) in the module New User (/opencms/system/workplace/admin/accounts/user_new.jsp). This allows an attacker to insert arbitrary JavaScript as user input (First Name or Last Name), which will be executed whenever the affected snippet is loaded.",
    "evidence": "osv:CVE-2019-11818",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2019-11818",
      "aliases": [
        "CVE-2019-11818",
        "GHSA-c8j6-gqq8-4prj"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/alkacon/opencms-core",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "86ae0830160f353685212dae48d383e594dfd322"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:alkacon:opencms:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "10.5.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "build_10_5_4",
            "build_10_5_3",
            "build_10_5_2",
            "build_10_5_1",
            "build_10_5_0_5",
            "build_10_5_0_3",
            "build_10_5_0_2",
            "build_10_5_0_1",
            "build_10_5_0",
            "build_10_5_0_beta",
            "build_10_5_x_cmsdays",
            "build_10_0_0",
            "build_10_0_0_beta4",
            "build_10_0_0_beta3",
            "build_10_0_0_beta_2",
            "build_10_0_0_beta",
            "build_10_0_0_alpha_2",
            "build_10_0_0_alpha_1u",
            "build_10_0_0_alpha_1",
            "build_9_5_0",
            "build_9_0_0_1",
            "build_9_0_0",
            "build_8_9_0",
            "build_8_7_0",
            "build_8_5_1",
            "build_8_5_0",
            "build_8_0_3",
            "build_8_0_2",
            "build_8_0_2_1",
            "build_8_0_1",
            "build_8_0_0",
            "build_7_9_2",
            "build_7_5_0_beta_1",
            "build_7_3_0",
            "build_7_0_4",
            "build_7_0_2",
            "build_7_0_1",
            "build_7_0_0",
            "build_6_2_3",
            "build_6_2_2",
            "build_6_2_1",
            "build_6_2_0",
            "build_6_1_13",
            "build_6_0_5",
            "build_6_0_4",
            "build_6_0_3",
            "build_6_0_2",
            "build_6_0_1",
            "build_6_0_0",
            "build_5_9_2",
            "build_5_9_1",
            "build_5_7_3",
            "build_5_7_2",
            "build_5_7_1",
            "build_5_5_4",
            "build_5_5_3",
            "build_5_5_2",
            "build_5_5_1",
            "build_5_3_6",
            "build_5_3_5",
            "build_5_3_4",
            "build_5_3_3",
            "build_5_3_1",
            "build_5_1_12",
            "build_5_1_11",
            "build_5_1_10",
            "build_5_1_9",
            "build_5_1_8",
            "build_5_1_7",
            "build_5_1_6",
            "build_5_1_5",
            "build_5_1_4",
            "build_5_1_3",
            "build_5_1_1",
            "build_5_0_0",
            "build_5_1_0",
            "build_5_0_0_rc_2",
            "build_5_0_0_rc_1",
            "build_5_0_0_beta_2",
            "build_4_7_14",
            "build_5_0_0_beta_1",
            "build_4_7_13",
            "build_4_7_12",
            "build_4_7_11",
            "build_4_7_10",
            "build_4_7_9",
            "build_4_7_8",
            "build_4_7_6"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-11818.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:39.169505241Z",
      "provider": "osv",
      "references": [
        "https://github.com/alkacon/opencms-core/issues/635",
        "https://www.openwall.com/lists/oss-security/2019/04/30/3"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-11818",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 381960,
  "published_at": "2019-05-08T16:29:00.737+00:00"
}