github - ghsa-778m-x6m8-v6h8

GHSA-778M-X6M8-V6H8

Vulnerability from github – Published: 2025-12-12 06:31 – Updated: 2025-12-12 06:31

Details

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.

Severity ?

4.7 (Medium)


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

5.1 (Medium)


                  
                    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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2025-64781"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1188"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-12T05:16:11Z",
    "severity": "MODERATE"
  },
  "details": "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.",
  "id": "GHSA-778m-x6m8-v6h8",
  "modified": "2025-12-12T06:31:14Z",
  "published": "2025-12-12T06:31:14Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-64781"
    },
    {
      "type": "WEB",
      "url": "https://groupsession.jp/info/info-news/security20251208"
    },
    {
      "type": "WEB",
      "url": "https://jvn.jp/en/jp/JVN19940619"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2025-64781 (GCVE-0-2025-64781)

Vulnerability from cvelistv5 – Published: 2025-12-12 05:02 – Updated: 2025-12-12 20:26

Summary

Severity ?

4.7 (Medium)


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

5.1 (Medium)


                        
                          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

CWE

CWE-1188 - Initialization of a resource with an insecure default

Assigner

jpcert

References

URL

Tags

	https://groupsession.jp/info/info-news/security20251208
	https://jvn.jp/en/jp/JVN19940619/

Impacted products

Vendor

Product

Version

Japan Total System Co.,Ltd.

GroupSession Free edition

Affected: prior to ver5.7.1

	Japan Total System Co.,Ltd.	GroupSession byCloud	Affected: prior to ver5.7.1
	Japan Total System Co.,Ltd.	GroupSession ZION	Affected: prior to ver5.7.1

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-64781",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-12-12T20:25:44.579958Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-12-12T20:26:03.855Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "GroupSession Free edition",
          "vendor": "Japan Total System Co.,Ltd.",
          "versions": [
            {
              "status": "affected",
              "version": "prior to ver5.7.1"
            }
          ]
        },
        {
          "product": "GroupSession byCloud",
          "vendor": "Japan Total System Co.,Ltd.",
          "versions": [
            {
              "status": "affected",
              "version": "prior to ver5.7.1"
            }
          ]
        },
        {
          "product": "GroupSession ZION",
          "vendor": "Japan Total System Co.,Ltd.",
          "versions": [
            {
              "status": "affected",
              "version": "prior to ver5.7.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 4.7,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N",
            "version": "3.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        },
        {
          "cvssV4_0": {
            "baseScore": 5.1,
            "baseSeverity": "MEDIUM",
            "vectorString": "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",
            "version": "4.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-1188",
              "description": "Initialization of a resource with an insecure default",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-12T05:02:58.824Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://groupsession.jp/info/info-news/security20251208"
        },
        {
          "url": "https://jvn.jp/en/jp/JVN19940619/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2025-64781",
    "datePublished": "2025-12-12T05:02:58.824Z",
    "dateReserved": "2025-11-27T05:42:04.952Z",
    "dateUpdated": "2025-12-12T20:26:03.855Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-778M-X6M8-V6H8

CVE-2025-64781 (GCVE-0-2025-64781)

Tags

Sightings

Nomenclature