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Medium severity6.1NVD Advisory· Published Dec 2, 2025· Updated Jun 17, 2026

CVE-2025-66458

CVE-2025-66458

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Lookyloo/Lookyloo3 versions
    cpe:2.3:a:lookyloo:lookyloo:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:lookyloo:lookyloo:*:*:*:*:*:*:*:*range: <1.35.3
    • (no CPE)range: <1.35.3
    • (no CPE)range: < 1.35.3

Patches

Vulnerability mechanics

References

2

News mentions

0

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