CVE-2026-56263 (GCVE-0-2026-56263)

Vulnerability from cvelistv5 – Published: 2026-06-23 12:13 – Updated: 2026-06-23 12:13
VLAI
Title
Crawl4AI - Stored Cross-Site Scripting in Monitor Dashboard
Summary
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
6.1 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
Vendor Product Version
Crawl4AI Crawl4AI Affected: 0 , < 0.8.7 (semver)
Unaffected: 0.8.7 (semver)
Create a notification for this product.
Date Public
2026-06-16 00:00
Show details on NVD website
To clipboard 

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          "defaultStatus": "unaffected",
          "packageURL": "pkg:pypi/crawl4ai",
          "product": "Crawl4AI",
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          "versions": [
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              "status": "affected",
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        }
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            "vulnIntegrityImpact": "LOW"
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      "problemTypes": [
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      "providerMetadata": {
        "dateUpdated": "2026-06-23T12:13:00.000Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
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      "references": [
        {
          "name": "https://github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfg",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfg"
        },
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          "tags": [
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          "url": "https://github.com/unclecode/crawl4ai"
        },
        {
          "name": "VulnCheck Advisory: Crawl4AI - Stored Cross-Site Scripting in Monitor Dashboard",
          "tags": [
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          "url": "https://www.vulncheck.com/advisories/crawl4ai-stored-cross-site-scripting-in-monitor-dashboard"
        }
      ],
      "title": "Crawl4AI - Stored Cross-Site Scripting in Monitor Dashboard",
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  "cveMetadata": {
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    "cveId": "CVE-2026-56263",
    "datePublished": "2026-06-23T12:13:00.000Z",
    "dateReserved": "2026-06-20T01:42:20.615Z",
    "dateUpdated": "2026-06-23T12:13:00.000Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.