CVE-2026-56263

EUVD-2026-38433
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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 9.38%
Affected Products (NVD)
VendorProductVersion
kidocodecrawl4ai
𝑥
< 0.8.7
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/unclecode/crawl4ai
https://github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfg
https://www.vulncheck.com/advisories/crawl4ai-stored-cross-site-scripting-in-monitor-dashboard