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.

INFO

Published Date :

2025-12-12T05:02:58.824Z

Last Modified :

2025-12-12T20:26:03.855Z

Source :

jpcert
AFFECTED PRODUCTS

The following products are affected by CVE-2025-64781 vulnerability.

Vendors Products
Groupsession
  • Groupsession
  • Groupsession Bycloud
  • Groupsession Zion
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-64781.

URL Resource
https://groupsession.jp/info/info-news/security20251208 cve-icon cve-icon
https://jvn.jp/en/jp/JVN19940619/ cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact