WID-SEC-W-2025-2739

Vulnerability from csaf_certbund - Published: 2025-12-03 23:00 - Updated: 2025-12-04 23:00
Summary
Nextcloud: Schwachstelle ermöglicht Cross-Site Scripting

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung
Nextcloud ist eine "on-premise" Plattform für Dateifreigabe und Zusammenarbeit.
Angriff
Ein Angreifer kann eine Schwachstelle in Nextcloud ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen.
Betroffene Betriebssysteme
- Linux - Sonstiges - UNIX - Windows
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "mittel"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Nextcloud ist eine \"on-premise\" Plattform f\u00fcr Dateifreigabe und Zusammenarbeit.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann eine Schwachstelle in Nextcloud ausnutzen, um einen Cross-Site Scripting Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- Sonstiges\n- UNIX\n- Windows",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2025-2739 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-2739.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2025-2739 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-2739"
      },
      {
        "category": "external",
        "summary": "RedTeam Advisory vom 2025-12-03",
        "url": "https://www.redteam-pentesting.de/en/advisories/rt-sa-2025-003/"
      },
      {
        "category": "external",
        "summary": "NextCloud Security Advisory vom 2025-12-03",
        "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-24wp-p865-7j4r"
      }
    ],
    "source_lang": "en-US",
    "title": "Nextcloud: Schwachstelle erm\u00f6glicht Cross-Site Scripting",
    "tracking": {
      "current_release_date": "2025-12-04T23:00:00.000+00:00",
      "generator": {
        "date": "2025-12-05T08:43:21.680+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.5.0"
        }
      },
      "id": "WID-SEC-W-2025-2739",
      "initial_release_date": "2025-12-03T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2025-12-03T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2025-12-04T23:00:00.000+00:00",
          "number": "2",
          "summary": "Referenz(en) aufgenommen: EUVD-2025-201255"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c23.0.12.29",
                "product": {
                  "name": "Nextcloud Nextcloud \u003c23.0.12.29",
                  "product_id": "T049095"
                }
              },
              {
                "category": "product_version",
                "name": "23.0.12.29",
                "product": {
                  "name": "Nextcloud Nextcloud 23.0.12.29",
                  "product_id": "T049095-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:nextcloud:nextcloud:23.0.12.29"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c22.2.10.33",
                "product": {
                  "name": "Nextcloud Nextcloud \u003c22.2.10.33",
                  "product_id": "T049096"
                }
              },
              {
                "category": "product_version",
                "name": "22.2.10.33",
                "product": {
                  "name": "Nextcloud Nextcloud 22.2.10.33",
                  "product_id": "T049096-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:nextcloud:nextcloud:22.2.10.33"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c24.0.12.28",
                "product": {
                  "name": "Nextcloud Nextcloud \u003c24.0.12.28",
                  "product_id": "T049097"
                }
              },
              {
                "category": "product_version",
                "name": "24.0.12.28",
                "product": {
                  "name": "Nextcloud Nextcloud 24.0.12.28",
                  "product_id": "T049097-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:nextcloud:nextcloud:24.0.12.28"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c25.0.13.23",
                "product": {
                  "name": "Nextcloud Nextcloud \u003c25.0.13.23",
                  "product_id": "T049098"
                }
              },
              {
                "category": "product_version",
                "name": "25.0.13.23",
                "product": {
                  "name": "Nextcloud Nextcloud 25.0.13.23",
                  "product_id": "T049098-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:nextcloud:nextcloud:25.0.13.23"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c26.0.13.20",
                "product": {
                  "name": "Nextcloud Nextcloud \u003c26.0.13.20",
                  "product_id": "T049099"
                }
              },
              {
                "category": "product_version",
                "name": "26.0.13.20",
                "product": {
                  "name": "Nextcloud Nextcloud 26.0.13.20",
                  "product_id": "T049099-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:nextcloud:nextcloud:26.0.13.20"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c27.1.11.20",
                "product": {
                  "name": "Nextcloud Nextcloud \u003c27.1.11.20",
                  "product_id": "T049100"
                }
              },
              {
                "category": "product_version",
                "name": "27.1.11.20",
                "product": {
                  "name": "Nextcloud Nextcloud 27.1.11.20",
                  "product_id": "T049100-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:nextcloud:nextcloud:27.1.11.20"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c28.0.14.11",
                "product": {
                  "name": "Nextcloud Nextcloud \u003c28.0.14.11",
                  "product_id": "T049101"
                }
              },
              {
                "category": "product_version",
                "name": "28.0.14.11",
                "product": {
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                  "product_id": "T049101-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:nextcloud:nextcloud:28.0.14.11"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c29.0.16.8",
                "product": {
                  "name": "Nextcloud Nextcloud \u003c29.0.16.8",
                  "product_id": "T049102"
                }
              },
              {
                "category": "product_version",
                "name": "29.0.16.8",
                "product": {
                  "name": "Nextcloud Nextcloud 29.0.16.8",
                  "product_id": "T049102-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:nextcloud:nextcloud:29.0.16.8"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c30.0.17",
                "product": {
                  "name": "Nextcloud Nextcloud \u003c30.0.17",
                  "product_id": "T049103"
                }
              },
              {
                "category": "product_version",
                "name": "30.0.17",
                "product": {
                  "name": "Nextcloud Nextcloud 30.0.17",
                  "product_id": "T049103-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:nextcloud:nextcloud:30.0.17"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c31.0.10",
                "product": {
                  "name": "Nextcloud Nextcloud \u003c31.0.10",
                  "product_id": "T049104"
                }
              },
              {
                "category": "product_version",
                "name": "31.0.10",
                "product": {
                  "name": "Nextcloud Nextcloud 31.0.10",
                  "product_id": "T049104-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:nextcloud:nextcloud:31.0.10"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c32.0.1",
                "product": {
                  "name": "Nextcloud Nextcloud \u003c32.0.1",
                  "product_id": "T049105"
                }
              },
              {
                "category": "product_version",
                "name": "32.0.1",
                "product": {
                  "name": "Nextcloud Nextcloud 32.0.1",
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                  }
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              }
            ],
            "category": "product_name",
            "name": "Nextcloud"
          }
        ],
        "category": "vendor",
        "name": "Nextcloud"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-59788",
      "product_status": {
        "known_affected": [
          "T049095",
          "T049099",
          "T049098",
          "T049097",
          "T049096",
          "T049103",
          "T049102",
          "T049101",
          "T049100",
          "T049105",
          "T049104"
        ]
      },
      "release_date": "2025-12-03T23:00:00.000+00:00",
      "title": "CVE-2025-59788"
    }
  ]
}


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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.