CVE 5.3 MEDIUM

Lookyloo has multiple XSS due to unsafe use of f-strings in Markup_CVE-2025-66458

5.3 / 10
MEDIUM
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

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, there are multiple XSS due to unsafe use of f-strings in Markup. The issue requires a malicious 3rd party server responding with a JSON document containing JS code in a script element. This vulnerability is fixed in 1.35.3.

Basic Information

ID CVE-2025-66458
Source GitHub_M
Published Dec 2, 2025 at 18:30
Modified Dec 2, 2025 at 19:26

Affected Product

Vendor Lookyloo
Product lookyloo
Version < 1.35.3
Affected Versions Lookyloo lookyloo < 1.35.3

CWE Classification

References

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