WID-SEC-W-2025-2739
Vulnerability from csaf_certbund - Published: 2025-12-03 23:00 - Updated: 2025-12-04 23:00Summary
Nextcloud: Schwachstelle ermöglicht Cross-Site Scripting
Severity
Mittel
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
References
{
"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"
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},
"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"
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},
"vulnerabilities": [
{
"cve": "CVE-2025-59788",
"product_status": {
"known_affected": [
"T049095",
"T049099",
"T049098",
"T049097",
"T049096",
"T049103",
"T049102",
"T049101",
"T049100",
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]
},
"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.
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