Reflected XSS in Request Tracker

{
  "id": "480af097e1729b73f5935cacbba405fcc29c568aead01774924ad0188599a085",
  "url": "https://osv.dev/vulnerability/CVE-2026-6841",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Reflected XSS in Request Tracker",
    "summary": "Request Tracker is vulnerable to a reflected cross-site scripting (XSS) vulnerability via the \"Page\" parameter in GET requests. An attacker can craft a URL that, when opened, results in arbitrary JavaScript execution in the victim’s browser. This vulnerability affects versions from 5.0.4 up to 5.0.9 and from 6.0.0 up to 6.0.2.",
    "evidence": "osv:CVE-2026-6841",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-6841",
      "aliases": [
        "CVE-2026-6841"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/bestpractical/rt",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0c0f0b05c77d54dff91e2345cbfe7fd5d5d9444b"
                },
                {
                  "fixed": "51f63bbd924b9277ec6d2db49a6d89e8f25da141"
                },
                {
                  "introduced": "84623aa0fd0dcc02d1821866d37ac824a902cec8"
                },
                {
                  "fixed": "4a8ed900956527a8845f22a7ab011ec3225be91b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:bestpractical:request_tracker:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.0.4"
                      },
                      {
                        "fixed": "5.0.10"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:bestpractical:request_tracker:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "6.0.0"
                      },
                      {
                        "fixed": "6.0.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-6841.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:36.409522861Z",
      "provider": "osv",
      "references": [
        "https://requesttracker.com/request-tracker/",
        "https://cert.pl/en/posts/2026/05/CVE-2026-6841",
        "https://docs.bestpractical.com/release-notes/rt/5.0.10",
        "https://docs.bestpractical.com/release-notes/rt/6.0.3",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6841.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-6841",
        "https://github.com/bestpractical/rt"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-79"
        ],
        "cna_assigner": "CERT-PL",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6841.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-6841",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 503885,
  "published_at": "2026-05-21T11:49:07.533+00:00"
}