Faction: Stored XSS in Remediation Verification Attachment Filename Preview Rendering

{
  "id": "c424bf6eaea66172d5872846a421913d26def6ce32646203225e81f57afc99ba",
  "url": "https://osv.dev/vulnerability/CVE-2026-44667",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Faction: Stored XSS in Remediation Verification Attachment Filename Preview Rendering",
    "summary": "FACTION is a PenTesting Report Generation and Collaboration Framework. Prior to 1.8.3, Faction is vulnerable to stored cross-site scripting (XSS) via attachment filenames in remediation verification file preview flows. User-supplied filename values are persisted and then rendered into HTML and attribute contexts without output encoding, allowing attacker-controlled JavaScript to execute in the browser of any user who opens the affected verification/remediation views. Because the payload is stored server-side and rendered to other users, exploitation is persistent and can impact privileged accounts. This vulnerability is fixed in 1.8.3.",
    "evidence": "osv:CVE-2026-44667",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-44667",
      "aliases": [
        "CVE-2026-44667",
        "GHSA-x3fm-rrxj-rg66"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/factionsecurity/faction",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "90b341744fb65c4fb916c997533695c6da75e41f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.8.3"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "fixed": "90b341744fb65c4fb916c997533695c6da75e41f"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "1.8.3"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.8.3"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.8.2",
            "1.7.7",
            "1.7.6",
            "1.7.5",
            "1.7.4",
            "1.7.1",
            "1.7.0",
            "1.6.8",
            "1.6.7",
            "1.6.6",
            "1.6.5",
            "1.6.4",
            "1.6.3",
            "1.6.2",
            "1.6.1",
            "1.6.0",
            "1.5.2",
            "1.5.1",
            "1.5.0",
            "1.4.4",
            "1.4.3",
            "1.4.2",
            "1.4.1",
            "1.4.0",
            "1.3.36",
            "1.3.35",
            "1.3.34",
            "1.3.33",
            "1.3.32",
            "1.3.29",
            "1.3.28",
            "1.3.27",
            "1.3.26",
            "1.3.25",
            "1.3.24",
            "1.3.23",
            "1.3.22",
            "1.3.21",
            "1.3.20",
            "1.3.8",
            "1.3.7",
            "1.3.6",
            "1.3.5",
            "1.3.4",
            "1.3.3",
            "1.3.2",
            "1.3.1",
            "1.3.0",
            "1.2.5",
            "1.2.4",
            "1.2.3",
            "1.2.2",
            "1.2.1",
            "1.2.0",
            "1.1.27",
            "1.1.26.2",
            "1.1.26.1",
            "1.1.26.0",
            "1.1.25.1",
            "1.1.25.0",
            "1.1.25",
            "1.1.24.3",
            "1.1.24.2",
            "1.1.24.1",
            "1.1.24.0",
            "1.1.24",
            "1.1.23",
            "1.1.22",
            "1.1.21",
            "1.1.20",
            "1.1.19",
            "1.1.18",
            "1.1.17",
            "1.1.16",
            "1.1.15",
            "1.1.14",
            "1.1.13",
            "1.1.12",
            "1.1.11",
            "1.1.10",
            "1.1.9",
            "1.1.8",
            "1.1.7",
            "1.1.6",
            "1.1.5",
            "1.1.4",
            "1.1.3",
            "1.1.2",
            "1.1.1",
            "1.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-44667.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:42.080184186Z",
      "provider": "osv",
      "references": [
        "https://github.com/factionsecurity/faction/releases/tag/1.8.3",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44667.json",
        "https://github.com/factionsecurity/faction/security/advisories/GHSA-x3fm-rrxj-rg66",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-44667"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-79"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44667.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-44667",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 509973,
  "published_at": "2026-05-26T17:42:39.244+00:00"
}