PYSEC-2026-230

Vulnerability from pysec - Published: 2026-06-23 13:16 - Updated: 2026-07-09 14:40
VLAI
Details

Crawl4AI before 0.8.7 contains a stored cross-site scripting vulnerability in the monitor dashboard that renders crawl URLs and error messages via innerHTML without escaping. An attacker can submit a crafted crawl request with malicious markup that executes in an operator's browser when viewing the dashboard.

Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Impacted products
Name purl
crawl4ai pkg:pypi/crawl4ai
Aliases
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "PyPI",
        "name": "crawl4ai",
        "purl": "pkg:pypi/crawl4ai"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.8.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.3.0",
        "0.3.1",
        "0.3.2",
        "0.3.3",
        "0.3.4",
        "0.3.5",
        "0.3.6",
        "0.3.7",
        "0.3.71",
        "0.3.72",
        "0.3.73",
        "0.3.731",
        "0.3.74",
        "0.3.741",
        "0.3.742",
        "0.3.743",
        "0.3.744",
        "0.3.745",
        "0.3.746",
        "0.3.8",
        "0.4.0",
        "0.4.1",
        "0.4.21",
        "0.4.22",
        "0.4.23",
        "0.4.24",
        "0.4.241",
        "0.4.242",
        "0.4.243",
        "0.4.244",
        "0.4.245",
        "0.4.246",
        "0.4.247",
        "0.4.248",
        "0.4.248b3",
        "0.4.3b1",
        "0.4.3b2",
        "0.4.3b3",
        "0.5.0",
        "0.5.0.post1",
        "0.5.0.post2",
        "0.5.0.post3",
        "0.5.0.post4",
        "0.5.0.post5",
        "0.5.0.post6",
        "0.5.0.post7",
        "0.5.0.post8",
        "0.6.0",
        "0.6.0rc1",
        "0.6.1",
        "0.6.2",
        "0.6.3",
        "0.7.0",
        "0.7.1",
        "0.7.2",
        "0.7.3",
        "0.7.4",
        "0.7.5",
        "0.7.6",
        "0.7.7",
        "0.7.8",
        "0.8.0",
        "0.8.5",
        "0.8.6"
      ]
    }
  ],
  "aliases": [
    "CVE-2026-56263",
    "GHSA-53rg-46cm-4g2v"
  ],
  "details": "Crawl4AI before 0.8.7 contains a stored cross-site scripting vulnerability in the monitor dashboard that renders crawl URLs and error messages via innerHTML without escaping. An attacker can submit a crafted crawl request with malicious markup that executes in an operator\u0027s browser when viewing the dashboard.",
  "id": "PYSEC-2026-230",
  "modified": "2026-07-09T14:40:00Z",
  "published": "2026-06-23T13:16:44.947Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-53rg-46cm-4g2v"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/crawl4ai-stored-cross-site-scripting-in-monitor-dashboard"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/unclecode/crawl4ai"
    }
  ],
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}



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