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Vulnerability record · CVE-2025-66939 · published 12 January 2026

CVE-2025-66939: Altumcode 66biolinks cross-site scripting vulnerability

Altumcode · 66biolinks

Cross Site Scripting vulnerability in 66biolinks by AltumCode v.61.0.1 allows an attacker to execute arbitrary code via a crafted favicon file

5.4 CVSS 3.1 Medium EPSS 0.26% · top 84.1% CWE-79 · Cross-site scripting
5.4CVSS 3.1 base score
0.26%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

Cross Site Scripting vulnerability in 66biolinks by AltumCode v.61.0.1 allows an attacker to execute arbitrary code via a crafted favicon file

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://66biolinks.com/ Product
https://gist.github.com/Waqar-Arain/2a21b135a04e7804c124688ea1085875 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-66939), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.