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CVE-2025-66459— Lookyloo vulnerable to XSS due to unescaped error message passed to innerHTML

EPSS 0.02% · P6
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I. Basic Information for CVE-2025-66459

Vulnerability Information
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Vulnerability Title
Lookyloo vulnerable to XSS due to unescaped error message passed to innerHTML
Source: NVD (National Vulnerability Database)
Vulnerability Description
Lookyloo is a web interface that allows users to capture a website page and then display a tree of domains that call each other. Prior to 1.35.3, a XSS vulnerability can be triggered when a user submits a list of URLs to capture, one of them contains a HTML element, and the capture fails. Then, the error field is populated with an error message that contains the bad URL they tried to capture, triggering the XSS. This vulnerability is fixed in 1.35.3.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
Lookyloo 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lookyloo是Lookyloo开源的一个网站捕获工具。 Lookyloo 1.35.3之前版本存在跨站脚本漏洞，该漏洞源于错误消息中未过滤URL，可能导致跨站脚本攻击。
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

VendorProductAffected VersionsCPESubscribe
Lookyloolookyloo < 1.35.3 -

II. Public POCs for CVE-2025-66459

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III. Intelligence Information for CVE-2025-66459

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Same Patch Batch · Lookyloo · 2025-12-02 · 3 CVEs total

CVE-2025-66460Lookyloo vulnerable to XSS due to lack of escaping in HTML elements passed to Datatables
CVE-2025-66458Lookyloo has multiple XSS due to unsafe use of f-strings in Markup

IV. Related Vulnerabilities

Same product: lookyloo
Same vendor: Lookyloo
Same weakness: CWE-79

V. Comments for CVE-2025-66459

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