CVE-2026-56263

MEDIUM 6.1

Crawl4AI - Stored Cross-Site Scripting in Monitor Dashboard

CVSS Score

6.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-79
Vendor	crawl4ai
Product	crawl4ai
Published	Jun 23, 2026

Stay Ahead of the Next One

Get instant alerts for crawl4ai crawl4ai

Be the first to know when new medium vulnerabilities affecting crawl4ai crawl4ai are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

Crawl4AI / Crawl4AI

0 < 0.8.7

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfg github.com: https://github.com/unclecode/crawl4ai vulncheck.com: https://www.vulncheck.com/advisories/crawl4ai-stored-cross-site-scripting-in-monitor-dashboard