CVE-2025-54407

Stored cross-site scripting vulnerability exists in GroupSession Free edition prior to ver5.3.0, GroupSession byCloud prior to ver5.3.3, and GroupSession ZION prior to ver5.3.2. If a user accesses a crafted page or URL, an arbitrary script may be executed on the web browser of the user.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

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

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://groupsession.jp/info/info-news/security20251208	Vendor Advisory
https://jvn.jp/en/jp/JVN19940619/	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:groupsession:groupsession:::::free:::*
	cpe:2.3:a:groupsession:groupsession:::::zion:::*
	cpe:2.3:a:groupsession:groupsession:::::bycloud:::*

History

17 Feb 2026, 15:44

Type	Values Removed	Values Added
First Time		Groupsession Groupsession groupsession
CPE		cpe:2.3:a:groupsession:groupsession:::::free:::* cpe:2.3:a:groupsession:groupsession:::::zion:::* cpe:2.3:a:groupsession:groupsession:::::bycloud:::*
References	~~() https://groupsession.jp/info/info-news/security20251208 -~~	() https://groupsession.jp/info/info-news/security20251208 - Vendor Advisory
References	~~() https://jvn.jp/en/jp/JVN19940619/ -~~	() https://jvn.jp/en/jp/JVN19940619/ - Third Party Advisory

12 Dec 2025, 05:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-12-12 05:16

Updated : 2026-02-17 15:44

NVD link : CVE-2025-54407

Mitre link : CVE-2025-54407

CVE.ORG link : CVE-2025-54407

JSON object : View

Products Affected

groupsession

groupsession

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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