CVE-2025-66939

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 v3.1 NVD

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

EPSS

0.27% chance of exploitation in the next 30 days, 17th percentile

Published

2026-01-12

Proof-of-concept exploits (1)

• https://gist.github.com/Waqar-Arain/2a21b135a04e7804c124688ea1085875

Security advisories

• https://66biolinks.com

References

• CVE Record
• NVD entry