CVE-2026-56263 · Symaro Security Advisory

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.

Severity (CVSS)

Base score	5.3
Severity	Medium
Version	CVSS 4.0
Vector	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
Provided by	CNA

Weaknesses

CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected products

Vendor	Product	Versions
Crawl4AI	Crawl4AI	0 to <0.8.7; 0.8.7

References

https://github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfg (vendor-advisory)
https://github.com/unclecode/crawl4ai (product)
https://www.vulncheck.com/advisories/crawl4ai-stored-cross-site-scripting-in-monitor-dashboard (third-party-advisory)

Authoritative sources

This page is a snapshot. For the latest enrichment and updates, view the record on CVE.org or the NVD.

Generated from the official CVE List on 24 Jun 2026 09:35 UTC.