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.
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Fri, 05 Dec 2025 15:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:lookyloo:lookyloo:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}


Wed, 03 Dec 2025 12:15:00 +0000

Type Values Removed Values Added
First Time appeared Lookyloo
Lookyloo lookyloo
Vendors & Products Lookyloo
Lookyloo lookyloo

Tue, 02 Dec 2025 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 02 Dec 2025 18:45:00 +0000

Type Values Removed Values Added
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.
Title Lookyloo vulnerable to XSS due to unescaped error message passed to innerHTML
Weaknesses CWE-79
References
Metrics cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2025-12-02T19:28:42.081Z

Reserved: 2025-12-01T22:51:54.581Z

Link: CVE-2025-66459

cve-icon Vulnrichment

Updated: 2025-12-02T19:26:44.829Z

cve-icon NVD

Status : Analyzed

Published: 2025-12-02T19:15:53.007

Modified: 2025-12-05T14:58:10.617

Link: CVE-2025-66459

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-12-03T12:09:51Z

Weaknesses