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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2017-6503

WebUI in qBittorrent before 3.3.11 did not escape many values, which could potentially lead to XSS.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2017-6503
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 12:16 UTC · Revision 1

Source evidence

CVE-2017-6503

core-osv · Original source

Published 6 Mar 2017, 02:59 UTC

WebUI in qBittorrent before 3.3.11 did not escape many values, which could potentially lead to XSS.

osv:CVE-2017-6503
Complete source record
{
  "id": "d3ba4da632ededad631ef269ab09fa24ceb2320dbb24d5b249b55311ce69f34e",
  "url": "https://osv.dev/vulnerability/CVE-2017-6503",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-6503",
    "summary": "WebUI in qBittorrent before 3.3.11 did not escape many values, which could potentially lead to XSS.",
    "evidence": "osv:CVE-2017-6503",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2017-6503",
      "aliases": [
        "CVE-2017-6503"
      ],
      "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": [
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              "repo": "https://github.com/qbittorrent/qbittorrent",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "4eac2cab318c544c7e3121b3997ab94aca567728"
                },
                {
                  "fixed": "6ca3e4f094da0a0017cb2d483ec1db6176bb0b16"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:qbittorrent:qbittorrent:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "3.3.10"
                      }
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                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "6ca3e4f094da0a0017cb2d483ec1db6176bb0b16"
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                    ],
                    "source": "REFERENCES_COMMIT"
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          "versions": [
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            "release-3.3.8",
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            "release-3.3.5",
            "release-3.3.4",
            "release-3.3.3",
            "release-3.3.2",
            "release-3.3.1",
            "release-3.3.0",
            "release-3.0.0",
            "release-2.9.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-6503.json",
            "vanir_signatures": [
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              {
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                "source": "https://github.com/qbittorrent/qbittorrent/commit/6ca3e4f094da0a0017cb2d483ec1db6176bb0b16",
                "target": {
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                "target": {
                  "file": "src/base/logger.cpp",
                  "function": "Logger::addPeer"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
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                "target": {
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                "target": {
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            "vanir_signatures_modified": "2026-10-20T13:25:12Z"
          }
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      ],
      "modified": "2026-10-20T13:25:12.894457514Z",
      "provider": "osv",
      "references": [
        "https://github.com/qbittorrent/qBittorrent/commit/6ca3e4f094da0a0017cb2d483ec1db6176bb0b16",
        "https://www.qbittorrent.org/news.php"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-6503",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387658,
  "published_at": "2017-03-06T02:59:00.743+00:00"
}