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CVE-2026-56263— Crawl4AI - Stored Cross-Site Scripting in Monitor Dashboard

Quick assessment

Affected
Crawl4AI Crawl4AI
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

UncleCode Crawl4AI是新加坡UncleCode个人开发者的一款AI驱动的爬虫软件。 UncleCode Crawl4AI 0.8.7之前版本存在跨站脚本漏洞，该漏洞源于在监控仪表板中未转义直接渲染爬取URL和错误消息，可能导致存储型跨站脚本攻击。

CVSS 6.1 · Medium EPSS 0.34% · P25

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 2

VendorProduct Version RangeStatus
Crawl4AI Crawl4AI < 0.8.7 affected
0.8.7 unaffected
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I. Basic Information for CVE-2026-56263

Vulnerability Information
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Vulnerability Title
Crawl4AI - Stored Cross-Site Scripting in Monitor Dashboard
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
UncleCode Crawl4AI 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
UncleCode Crawl4AI是新加坡UncleCode个人开发者的一款AI驱动的爬虫软件。 UncleCode Crawl4AI 0.8.7之前版本存在跨站脚本漏洞，该漏洞源于在监控仪表板中未转义直接渲染爬取URL和错误消息，可能导致存储型跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Crawl4AI Crawl4AI 0 ~ 0.8.7 -

II. Public POCs for CVE-2026-56263

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III. Intelligence Information for CVE-2026-56263

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Vendor Advisories for CVE-2026-56263 (2)

Other References for CVE-2026-56263 (1)

IV. Related Vulnerabilities

Same product: Crawl4AI
Same vendor: Crawl4AI
Same weakness: CWE-79

V. Comments for CVE-2026-56263

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