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.
Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 12 Dec 2025 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 12 Dec 2025 09:00:00 +0000

Type Values Removed Values Added
First Time appeared Groupsession
Groupsession groupsession
Groupsession groupsession Bycloud
Groupsession groupsession Zion
Vendors & Products Groupsession
Groupsession groupsession
Groupsession groupsession Bycloud
Groupsession groupsession Zion

Fri, 12 Dec 2025 05:15:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-1188
References
Metrics cvssV3_0

{'score': 4.7, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2025-12-12T20:26:03.855Z

Reserved: 2025-11-27T05:42:04.952Z

Link: CVE-2025-64781

cve-icon Vulnrichment

Updated: 2025-12-12T20:25:53.517Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-12-12T05:16:11.623

Modified: 2025-12-12T15:17:31.973

Link: CVE-2025-64781

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-12-12T08:47:46Z

Weaknesses