CVE-2025-64781_CVE-2025-64781

4.7 / 10

MEDIUM

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

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.

Basic Information

ID CVE-2025-64781

Source jpcert

Published Dec 12, 2025 at 05:02

Affected Product

Vendor Japan Total System Co.,Ltd.

Product GroupSession Free edition

Version prior to ver5.7.1

Affected Versions Japan Total System Co.,Ltd. GroupSession Free edition prior to ver5.7.1
Japan Total System Co.,Ltd. GroupSession byCloud prior to ver5.7.1
Japan Total System Co.,Ltd. GroupSession ZION prior to ver5.7.1

CWE Classification

CWE-1188

References

{
    "lastseen": "",
    "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.",
    "published": "2025-12-12T05:02:58.824Z",
    "modified": "2025-12-12T05:02:58.824Z",
    "type": "cve",
    "title": "CVE-2025-64781",
    "source": "jpcert",
    "references": "https://groupsession.jp/info/info-news/security20251208\nhttps://jvn.jp/en/jp/JVN19940619/",
    "id": "CVE-2025-64781",
    "bulletinFamily": "",
    "cwe": [
        "CWE-1188"
    ],
    "cvelist": null,
    "sourceData": "Japan Total System Co.,Ltd. GroupSession Free edition prior to ver5.7.1\nJapan Total System Co.,Ltd. GroupSession byCloud prior to ver5.7.1\nJapan Total System Co.,Ltd. GroupSession ZION prior to ver5.7.1",
    "sourceHref": "",
    "cvss": {
        "score": 4.7,
        "severity": "MEDIUM",
        "vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N",
        "version": "3.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "GroupSession Free edition",
    "version": "prior to ver5.7.1",
    "vendor": "Japan Total System Co.,Ltd.",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}