VULNERABILITY INTELLIGENCE

CVE-2025-64781

CVSS score4.7 MEDIUM
EPSS probability0.21%
CISA KEVNot currently listed
Published2025-12-12
Last modified2026-10-07
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

Description

In GroupSession Free edition prior to ver5.7.1, GroupSession byCloud prior to ver5.7.1, and GroupSession ZION prior to ver5.7.1, "External page display restriction" is set to "Do not limit" in the initial configuration. With this configuration, the user may be redirected to an arbitrary website when accessing a specially crafted URL.

Weakness classification

  • vultures@jpcert.or.jp: CWE-1188

Primary references