PT-2026-2271 · Unknown · 66Biolinks

Published 2026-01-12 · Updated 2026-01-12 · CVE-2025-66939

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions 66biolinks version 61.0.1

Description A Cross Site Scripting issue exists in 66biolinks. An attacker can execute arbitrary code by providing a specially crafted favicon file. The issue affects the processing of favicon files.

Recommendations Update 66biolinks to a newer version that addresses this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-66939

Affected Products

66Biolinks

References · 6

• 🔥 https://gist.github.com/Waqar-Arain/2a21b135a04e7804c124688ea1085875 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-66939 · Security Note
• https://osv.dev/vulnerability/CVE-2025-66939 · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/2010760734775374133 · Twitter Post
• https://66biolinks.com · Note
• https://twitter.com/CVEnew/status/2010749348456341880 · Twitter Post