CVE-2025-66458 — Lookyloo has multiple XSS due to unsafe use of f-strings in Markup
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 u…
Published: 2025-12-02 · CVSS: 5.3 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7