CVE-2025-66939 — MEDIUM (5.4)

Vulnerability 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 Score

5.4

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Altumcode	66Biolinks	61.0.1

Related Weaknesses (CWE)

CWE-79

References

https://66biolinks.com/Product
https://gist.github.com/Waqar-Arain/2a21b135a04e7804c124688ea1085875ExploitThird Party Advisory

FAQ

What is CVE-2025-66939?

CVE-2025-66939 is a vulnerability with a CVSS score of 5.4 (MEDIUM). Cross Site Scripting vulnerability in 66biolinks by AltumCode v.61.0.1 allows an attacker to execute arbitrary code via a crafted favicon file

How severe is CVE-2025-66939?

CVE-2025-66939 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-66939?

Check the references section above for vendor advisories and patch information. Affected products include: Altumcode 66Biolinks.