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.
CVE-2026-56263
Score 6.1 from GitHub Security Advisory published 2026-06-23. a secondary CVSS source baseline 6.1; sources differ by 0.0.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.1
- EG Score
- 6.1(high)
- EPSS
- 9.4%
- KEV
- Not listed
Published
June 23, 2026
Last Modified
June 25, 2026
Advisory Details (3)
Auto-updated Jun 23, 2026Crawl4AI - Stored Cross-Site Scripting in Monitor Dashboard | Advisories | VulnCheck
https://www.vulncheck.com/advisories/crawl4ai-stored-cross-site-scripting-in-monitor-dashboardMultiple Docker API Vulnerabilities - File Write, SSRF, Auth Bypass, XSS, JS Execution · Advisory · unclecode/crawl4ai · GitHub
https://github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfgGitHub - unclecode/crawl4ai: 🚀🤖 Crawl4AI: Open-source LLM Friendly Web Crawler & Scraper. Don't be shy, join here: https://discord.gg/jP8KfhDhyN · GitHub
https://github.com/unclecode/crawl4aiVendor Advisories for CVE-2026-56263(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 24× in last 7d / 48× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 14:47 UTCEG score recompute
- 2026-07-06 14:46 UTCGHSA enrichment
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-05 16:34 UTCEG score recompute
- 2026-07-05 16:34 UTCGHSA enrichment
- 2026-07-05 02:31 UTCEPSS rescore
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-04 18:25 UTCEG score recompute
- 2026-07-04 18:25 UTCGHSA enrichment
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-03 20:17 UTCEG score recompute
- 2026-07-03 20:17 UTCGHSA enrichment
- 2026-07-02 22:07 UTCEG score recompute
- 2026-07-02 22:07 UTCGHSA enrichment
- 2026-07-01 23:59 UTCEG score recompute
- 2026-07-01 23:59 UTCGHSA enrichment
- 2026-07-01 15:07 UTCEPSS rescore
- 2026-07-01 01:51 UTCEG score recompute
- 2026-07-01 01:51 UTCGHSA enrichment
- 2026-06-30 23:22 UTCEPSS rescore
- 2026-06-30 03:43 UTCEG score recompute
Show 23 moreShow fewer
- 2026-06-30 03:42 UTCGHSA enrichment
- 2026-06-29 14:06 UTCEPSS rescore
- 2026-06-29 14:06 UTCEPSS rescore
- 2026-06-29 05:34 UTCEG score recompute
- 2026-06-29 05:33 UTCGHSA enrichment
- 2026-06-28 14:07 UTCEPSS rescore
- 2026-06-28 07:24 UTCEG score recompute
- 2026-06-28 07:23 UTCGHSA enrichment
- 2026-06-28 04:56 UTCEPSS rescore
- 2026-06-28 04:56 UTCEPSS rescore
- 2026-06-27 09:15 UTCEG score recompute
- 2026-06-27 09:15 UTCGHSA enrichment
- 2026-06-27 03:08 UTCEPSS rescore
- 2026-06-26 11:06 UTCEG score recompute
- 2026-06-26 11:06 UTCGHSA enrichment
- 2026-06-25 13:49 UTCEPSS rescore
- 2026-06-25 09:00 UTCEG score recompute
- 2026-06-25 09:00 UTCGHSA enrichment
- 2026-06-24 14:05 UTCEPSS rescore
- 2026-06-24 10:52 UTCEG score recompute
- 2026-06-24 10:52 UTCGHSA enrichment
- 2026-06-23 12:42 UTCEG score recompute
- 2026-06-23 12:40 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2026-56263?
When was CVE-2026-56263 disclosed?
Is CVE-2026-56263 actively exploited?
What is the CVSS score of CVE-2026-56263?
How do I remediate CVE-2026-56263?
Dependency Blast Radius
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