Security advisory

{
  "id": "79adb67f9cfd7839233f79da87f404d8a99f307d8a1e2ac966eda48b4951372e",
  "url": "https://osv.dev/vulnerability/CVE-2018-13423",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-13423",
    "summary": "admin/themes/default/items/tag-form.php in Omeka before 2.6.1 allows XSS by adding or editing a tag.",
    "evidence": "osv:CVE-2018-13423",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-13423",
      "aliases": [
        "CVE-2018-13423"
      ],
      "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/omeka/omeka",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "52e4998e05763b7444ba9557f4ddeea513848929"
                },
                {
                  "fixed": "ba841892116544847d76d3838781c9708cb92221"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:omeka:omeka:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.6.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "ba841892116544847d76d3838781c9708cb92221"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "52e4998e05763b7444ba9557f4ddeea513848929"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v2.6.1"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.6",
            "v2.5",
            "v2.4",
            "v2.3.1",
            "v2.3",
            "v2.2.2",
            "v2.2.1",
            "v2.2",
            "v2.1.4",
            "v2.1.3",
            "v2.1.2",
            "v2.1.1",
            "v2.1",
            "v2.1-rc1",
            "v2.0.2",
            "v2.0.1",
            "v2.0",
            "v2.0-rc1",
            "v2.0-beta",
            "v2.0-alpha-2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-13423.json"
          }
        }
      ],
      "modified": "2026-10-24T10:49:37.494999201Z",
      "provider": "osv",
      "references": [
        "https://github.com/omeka/Omeka/releases/tag/v2.6.1",
        "https://github.com/omeka/Omeka/commit/ba841892116544847d76d3838781c9708cb92221"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:omeka:omeka:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "omeka:omeka",
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "2.6.1"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2018-13423",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 441777,
  "published_at": "2018-07-07T17:29:00.587+00:00"
}