CVE-2026-56263 Details
Description
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.
A stored cross-site scripting vulnerability has been identified in Crawl4AI versions prior to 0.8.7. This vulnerability resides in the monitor dashboard, where crawl URLs and error messages are rendered using innerHTML without proper escaping. As a result, an attacker can submit a crafted crawl request containing malicious markup, which is executed in the browser of an operator viewing the dashboard.
Users can upgrade to Crawl4AI version 0.8.7 or later, where this vulnerability has been patched.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 24, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/unclecode/crawl4ai | [email protected] | Product |
| https://github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfg | [email protected] | Third Party Advisory |
| https://www.vulncheck.com/advisories/crawl4ai-stored-cross-site-scripting-in-monitor-dashboard | [email protected] | Third Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| kidocode crawl4ai | < 0.8.7 |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 25, 2026 | Initial Analysis | [email protected] |
| Jun 24, 2026 | CVE Modified | CISA-ADP |
| Jun 23, 2026 | New CVE Received | [email protected] |