CVE-2025-61987
- State
- Published
- Severity
- 6.9 Medium
- Published
- Dec 12, 2025
- Updated
- Dec 12, 2025
- Reserved
- Nov 27, 2025
Description
GroupSession Free edition prior to ver5.3.0, GroupSession byCloud prior to ver5.3.3, and GroupSession ZION prior to ver5.3.2. do not validate origins in WebSockets. If a user accesses a crafted page, Chat information sent to the user may be exposed.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N | jpcert |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | jpcert |
Weaknesses
- CWE-1385 Missing origin validation in WebSockets
Affected Products
| Product | Versions |
|---|---|
GroupSession Free editionJapan Total System Co.,Ltd. |
|
GroupSession byCloudJapan Total System Co.,Ltd. |
|
GroupSession ZIONJapan Total System Co.,Ltd. |
|
References
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