CVE-2025-59788 (GCVE-0-2025-59788)

Vulnerability from cvelistv5 – Published: 2025-12-04 00:00 – Updated: 2025-12-04 19:02
VLAI?
Summary
Cross-site scripting (XSS) vulnerability in a reachable files_pdfviewer example directory in Nextcloud with versions before 22.2.10.33, 23.0.12.29, 24.0.12.28, 25.0.13.23, 26.0.13.20, 27.1.11.20, 28.0.14.11, 29.0.16.8, 30.0.17, 31.0.10, and 32.0.1 allows attackers to execute arbitrary JavaScript in the context of a user's browser via a crafted PDF file to viewer.html. This issue is related to CVE-2024-4367, but the root cause of this Nextcloud issue is that the product exposes executable example code on a same-origin basis.
Severity ?
6.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CWE
  • CWE-749 - Exposed Dangerous Method or Function
Assigner
References
Impacted products
Vendor Product Version
Nextcloud Nextcloud Affected: 0 , < 22.2.10.33 (custom)
Affected: 23 , < 23.0.12.29 (custom)
Affected: 24 , < 24.0.12.28 (custom)
Affected: 25 , < 25.0.13.23 (custom)
Affected: 26 , < 26.0.13.20 (custom)
Affected: 27 , < 27.1.11.20 (custom)
Affected: 28 , < 28.0.14.11 (custom)
Affected: 29 , < 29.0.16.8 (custom)
Affected: 30 , < 30.0.17 (custom)
Affected: 31 , < 31.0.10 (custom)
Affected: 32 , < 32.0.1 (custom)
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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.