Security advisory

{
  "id": "3acd3bff24522913740addfa24364adde4e946259e39525fb69ac18ad8a8a751",
  "url": "https://osv.dev/vulnerability/CVE-2017-6909",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-6909",
    "summary": "An issue was discovered in Shimmie <= 2.5.1. The vulnerability exists due to insufficient filtration of user-supplied data (log) passed to the \"shimmie2-master/ext/chatbox/history/index.php\" URL. An attacker could execute arbitrary HTML and script code in a browser in the context of the vulnerable website.",
    "evidence": "osv:CVE-2017-6909",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2017-6909",
      "aliases": [
        "CVE-2017-6909"
      ],
      "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/shish/shimmie2",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "07cd38d34cd805176ca44e9f53935e494f1375a3"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:shishnet:shimmie:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2.5.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.5.1",
            "v2.5.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-6909.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:10.061813986Z",
      "provider": "osv",
      "references": [
        "https://github.com/shish/shimmie2/issues/597"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-6909",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 381373,
  "published_at": "2017-03-15T00:59:00.3+00:00"
}