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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2019-16989

In FusionPBX up to v4.5.7, the file app\conferences_active\conference_interactive.php uses an unsanitized "c" variable coming from the URL, which is reflected in HTML, leading to XSS.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2019-16989
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 10:37 UTC · Revision 1

Source evidence

CVE-2019-16989

core-osv · Original source

Published 21 Oct 2019, 16:15 UTC

In FusionPBX up to v4.5.7, the file app\conferences_active\conference_interactive.php uses an unsanitized "c" variable coming from the URL, which is reflected in HTML, leading to XSS.

osv:CVE-2019-16989
Complete source record
{
  "id": "6aff31ce8efe0f8cdc04701fa2fde30e184ebc3050f7c1e5729f332bd101c298",
  "url": "https://osv.dev/vulnerability/CVE-2019-16989",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-16989",
    "summary": "In FusionPBX up to v4.5.7, the file app\\conferences_active\\conference_interactive.php uses an unsanitized \"c\" variable coming from the URL, which is reflected in HTML, leading to XSS.",
    "evidence": "osv:CVE-2019-16989",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2019-16989",
      "aliases": [
        "CVE-2019-16989"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/fusionpbx/fusionpbx",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "83123e314a2e4c2dd0815446f89bcad97278d98d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "83123e314a2e4c2dd0815446f89bcad97278d98d"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-16989.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:48.345190779Z",
      "provider": "osv",
      "references": [
        "https://resp3ctblog.wordpress.com/2019/10/19/fusionpbx-xss-19/",
        "https://github.com/fusionpbx/fusionpbx/commit/83123e314a2e4c2dd0815446f89bcad97278d98d"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:fusionpbx:fusionpbx:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fusionpbx:fusionpbx",
            "extracted_events": [
              {
                "range": [
                  {
                    "last_affected": "4.5.7"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          },
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "last_affected": "4.5.7"
                  }
                ],
                "source": "DESCRIPTION"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2019-16989",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 382186,
  "published_at": "2019-10-21T16:15:18.35+00:00"
}