{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "2.0.23"
              },
              {
                "fixed": "2.0.23"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "c22731e7009ac89835b1d7b1cabc5989d998ec3e"
            }
          ],
          "repo": "https://github.com/cheshire-cat-ai/core",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-79"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108725.json"
  },
  "details": "Cheshire Cat AI core through 2.0.23 contains a stored cross-site scripting vulnerability in the uploads plugin that allows authenticated users to upload HTML files via POST /uploads without type restrictions. Attackers can send the public GET /uploads/{path} URL to a signed-in victim, executing script in the application origin with the victim's access_token cookie, including administrators.",
  "id": "CVE-2026-108725",
  "modified": "2026-10-15T02:31:14.217984453Z",
  "published": "2026-10-11T12:19:34.601Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108725.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://hackmd.io/@haind03/cheshire-cat-uploads-stored-html-same-origin-xss"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-108725"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/cheshire-cat-ai-core-through-2.0.23-stored-xss-via-uploads-plugin"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/cheshire-cat-ai/core"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/cheshire-cat-ai/core/blob/c22731e7009ac89835b1d7b1cabc5989d998ec3e/src/cat/scaffold/plugins/uploads/endpoints.py#L28-L96"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Cheshire Cat AI core through 2.0.23 Stored XSS via uploads plugin"
}