CVE-2025-59788

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.

Affected Software

VendorProductVersion RangeStatus
NextcloudNextcloud0 < 22.2.10.33affected
NextcloudNextcloud23 < 23.0.12.29affected
NextcloudNextcloud24 < 24.0.12.28affected
NextcloudNextcloud25 < 25.0.13.23affected
NextcloudNextcloud26 < 26.0.13.20affected
NextcloudNextcloud27 < 27.1.11.20affected
NextcloudNextcloud28 < 28.0.14.11affected
NextcloudNextcloud29 < 29.0.16.8affected
NextcloudNextcloud30 < 30.0.17affected
NextcloudNextcloud31 < 31.0.10affected
NextcloudNextcloud32 < 32.0.1affected

Weaknesses

  • CWE-749: CWE-749 Exposed Dangerous Method or Function

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: no
    • Technical Impact: partial

References