{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "0.9.3"
              },
              {
                "introduced": "crawl4ai"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4bcd5fa8a56000ce103dd499e8ecdff2439f3e9c"
            }
          ],
          "repo": "https://github.com/unclecode/crawl4ai",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-7g3g-vhm6-79f3"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-79"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/91xxx/CVE-2026-91942.json"
  },
  "details": "crawl4ai before 0.9.3 contains a DOM-based cross-site scripting vulnerability in the Docker Playground UI that assigns untrusted crawl results to element.innerHTML. Attackers can craft malicious PDFs with event-handler markup to execute JavaScript in the Playground origin and steal API tokens from sessionStorage for authenticated API abuse.",
  "id": "CVE-2026-91942",
  "modified": "2026-09-19T03:31:04.226783210Z",
  "published": "2026-09-15T15:18:02.423Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/91xxx/CVE-2026-91942.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/unclecode/crawl4ai/security/advisories/GHSA-7g3g-vhm6-79f3"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-91942"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/crawl4ai-before-0.9.3-cross-site-scripting-via-innerhtml"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "crawl4ai before 0.9.3 Cross-Site Scripting via innerHTML"
}