Emlog vulnerable to stored Cross-site Scripting in links functionality

{
  "id": "c03520a8df826d99bb059fcbab4b5c649fec30f56ba1183b41b6442faf527adf",
  "url": "https://osv.dev/vulnerability/CVE-2025-53924",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Emlog vulnerable to stored Cross-site Scripting in links functionality",
    "summary": "Emlog is an open source website building system. A cross-site scripting (XSS) vulnerability in emlog up to and including pro-2.5.17 allows authenticated remote attackers to inject arbitrary web script or HTML via the siteurl parameter. It is possible to inject malicious code into siteurl parameter resulting in Stored XSS. When someone clicks on the link the malicious code is executed. As of time of publication, no known patched versions exist.",
    "evidence": "osv:CVE-2025-53924",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2025-53924",
      "aliases": [
        "CVE-2025-53924",
        "GHSA-6rmq-5rjf-3fmx"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/emlog/emlog",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "242d26c7866c6d66b589fff88e8885a401286f42"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "pro-2.5.17"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "cpe": "cpe:2.3:a:emlog:emlog:*:*:*:*:pro:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2.5.17"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "pro-2.5.17",
            "pro-2.5.16",
            "pro-2.5.15",
            "pro-2.5.14",
            "pro-2.5.13",
            "pro-2.5.12",
            "pro-2.5.11",
            "pro-2.5.10",
            "pro-2.5.9",
            "pro-2.5.8",
            "pro-2.5.7",
            "pro-2.5.6",
            "pro-2.5.5",
            "pro-2.5.4",
            "pro-2.5.3",
            "pro-2.5.2",
            "pro-2.5.1",
            "pro-2.4.3",
            "pro-2.4.2",
            "pro-2.4.1",
            "pro-2.4.0",
            "pro-2.3.18",
            "pro-2.3.17",
            "pro-2.3.16",
            "pro-2.3.15",
            "pro-2.3.14",
            "pro-2.3.13",
            "pro-2.3.12",
            "pro-2.3.11",
            "pro-2.3.10",
            "pro-2.3.9",
            "pro-2.3.8",
            "pro-2.3.7",
            "pro-2.3.6",
            "pro-2.3.5",
            "pro-2.3.4",
            "pro-2.3.2",
            "pro-2.3.1",
            "pro-2.3.0",
            "pro-2.2.11",
            "pro-2.2.10",
            "pro-2.2.9",
            "pro-2.2.8",
            "pro-test-02",
            "pro-test-01",
            "pro-2.2.7",
            "pro-2.2.6",
            "pro-2.2.5",
            "pro-2.2.4",
            "pro-2.2.3",
            "pro-2.2.2",
            "pro-2.2.1",
            "pro-2.2.0",
            "pro-2.1.15",
            "pro-2.1.14",
            "pro-2.1.13",
            "pro-2.1.12",
            "ci",
            "pro-2.1.11",
            "pro-2.1.10",
            "pro-2.1.9",
            "pro-2.1.8",
            "pro-2.1.7",
            "pro-2.1.6",
            "pro-2.1.5",
            "pro-2.1.4",
            "pro-2.1.3",
            "pro-2.1.2",
            "pro-2.1.1",
            "pro-2.1.0",
            "pro-2.0.3",
            "pro-2.0.2",
            "pro-2.0.1",
            "pro-2.0.0",
            "pro-1.9.3",
            "pro-1.9.2",
            "pro-1.9.1",
            "pro-1.9.0",
            "pro-1.8.0",
            "pro-1.7.1",
            "pro-1.7.0",
            "pro-1.6.0",
            "pro-1.5.1",
            "pro-1.5.0.new",
            "pro-1.5.0",
            "pro-1.4.0",
            "pro-1.3.1",
            "pro-1.3.0",
            "pro-1.2.2",
            "pro-1.2.1",
            "pro-1.2.0",
            "pro-1.1.1",
            "pro-1.1.0",
            "pro-1.0.8",
            "pro-1.0.7",
            "pro-1.0.6",
            "pro-1.0.5",
            "pro-1.0.4",
            "pro-1.0.3",
            "pro-1.0.2",
            "pro-1.0.1",
            "6.1.0",
            "6.0.0",
            "5.3.1",
            "emlog_5.3.0",
            "emlog_5.2.1",
            "emlog_5.2.0",
            "emlog_5.1.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-53924.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:40.474579297Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/53xxx/CVE-2025-53924.json",
        "https://github.com/emlog/emlog/security/advisories/GHSA-6rmq-5rjf-3fmx",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-53924"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-79"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/53xxx/CVE-2025-53924.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-53924",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 508040,
  "published_at": "2025-07-16T13:55:57.98+00:00"
}