CVE-2025-64781
Published: Dec 12, 2025
Modified: Dec 12, 2025
CVSS v3.0
4.7
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.
| Vendor | Product | Versions |
|---|---|---|
Japan Total System Co.,Ltd. | GroupSession Free edition | affected prior to ver5.7.1 |
Japan Total System Co.,Ltd. | GroupSession byCloud | affected prior to ver5.7.1 |
Japan Total System Co.,Ltd. | GroupSession ZION | affected prior to ver5.7.1 |
Weaknesses (CWE)
CVSS v3.0 Details
CVSS v3.0 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Security Training
Train your team to recognize and prevent security threats with our comprehensive security awareness program.
Start TrainingVulnerability Scanning
Discover vulnerabilities in your applications and infrastructure before attackers do.
Scan Now