Security advisory

{
  "id": "e9f2e374278745af182b2f178dac0baa328b7ab465df415a92acfdc3e69d2b19",
  "url": "https://osv.dev/vulnerability/CVE-2018-18671",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-18671",
    "summary": "GNUBOARD5 5.3.1.9 has XSS that allows remote attackers to inject arbitrary web script or HTML via the \"mobile board head contents\" parameter, aka the adm/board_form_update.php bo_mobile_content_head parameter.",
    "evidence": "osv:CVE-2018-18671",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-18671",
      "aliases": [
        "CVE-2018-18671"
      ],
      "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/gnuboard/gnuboard5",
              "type": "GIT",
              "events": [
                {
                  "introduced": "15b2e73e739adc899b7d9aa7030eddeca3654cfa"
                },
                {
                  "last_affected": "15b2e73e739adc899b7d9aa7030eddeca3654cfa"
                },
                {
                  "fixed": "a45241f4bc46aee1ab2cc0749f6444b043681edf"
                },
                {
                  "fixed": "25491729696ce7c9ced2462406a9caa3e56a3c2e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:sir:gnuboard:5.3.1.9:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.3.1.9"
                      },
                      {
                        "last_affected": "5.3.1.9"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "a45241f4bc46aee1ab2cc0749f6444b043681edf"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "25491729696ce7c9ced2462406a9caa3e56a3c2e"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "5.3.2.0"
                  }
                ]
              }
            }
          ],
          "versions": [
            "5.3.1.9"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-18671.json"
          }
        }
      ],
      "modified": "2026-10-24T10:47:39.829156181Z",
      "provider": "osv",
      "references": [
        "https://github.com/gnuboard/gnuboard5/releases/tag/5.3.2.0",
        "https://github.com/gnuboard/gnuboard5/commit/a45241f4bc46aee1ab2cc0749f6444b043681edf#diff-05e83ad5f4c0624ed6ff385aed1bf33b",
        "https://github.com/gnuboard/gnuboard5/compare/15b2e73...2549172"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:sir:gnuboard:5.3.1.9:*:*:*:*:*:*:*"
            ],
            "vendor_product": "sir:gnuboard",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "5.3.1.9"
                  },
                  {
                    "last_affected": "5.3.1.9"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2018-18671",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 441448,
  "published_at": "2019-07-23T16:15:10.93+00:00"
}