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CVE-2025-53523

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CVE-2025-53523

Published: Dec 12, 2025

Modified: Dec 12, 2025

PUBLISHED

CVSS v3.0

5.4

MEDIUM

Description

Stored cross-site scripting vulnerabilities exist in GroupSession Free edition prior to ver5.3.0, GroupSession byCloud prior to ver5.3.3, and GroupSession ZION prior to ver5.3.2. A logged-in user can prepare a malicious page or URL, and an arbitrary script may be executed on the web browser when another user accesses it.

VendorProductVersions

Japan Total System Co.,Ltd.

GroupSession Free edition

affected
prior to ver5.3.0

Japan Total System Co.,Ltd.

GroupSession byCloud

affected
prior to ver5.3.3

Japan Total System Co.,Ltd.

GroupSession ZION

affected
prior to ver5.3.2

Weaknesses (CWE)

CWE-79

CVSS v3.0 Details

CVSS v3.0 Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

References

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