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CVE-2025-66459

21
FAUCET Score

CVE-2025-66459 describes a Cross-Site Scripting (XSS) vulnerability in Lookyloo, a web interface for website capture and domain analysis, affecting versions prior to 1.35.3. This flaw allows an attacker to inject malicious HTML when a user submits a malformed URL for capture, leading to XSS if the capture fails and the error message displays the invalid input. Rated as MEDIUM severity with a CVSS score of 6.1, the vulnerability requires user interaction (UI:R) and could result in limited confidentiality and integrity impacts (C:L/I:L). There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.35.3CPE matchmatch criteria
cpe:2.3:a:lookyloo:lookyloo:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

5.3MEDIUM

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
NONE
SS Confidentiality
LOW
SS Integrity
LOW
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.27%
Probability of exploitation in next 30 days
EPSS Percentile
18.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0027 is in the 19th percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / Lookyloo/lookyloo/commit/1850a34b8cec52438df3b544295b20cfa35f8ad1
Patch
github.com / Lookyloo/lookyloo/commit/8c3ab96de44c1ce15646d734aa06faf884329116
Patch
github.com / Lookyloo/lookyloo/commit/95cdc00fe37fd89790fa89bb3ee3fefa2da38442
Patch
github.com / Lookyloo/lookyloo/security/advisories/GHSA-hvmh-j2jx-48wg
PatchVendor Advisory