VULNERABILITY INTELLIGENCE

CVE-2025-66458

CVSS score6.1 MEDIUM
EPSS probability0.19%
CISA KEVNot currently listed
Published2025-12-02
Last modified2026-09-25
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A: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.

Weakness classification

  • security-advisories@github.com: CWE-79

Primary references