NetSight
medium6.4

CVE-2025-59788

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,…

Impact

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 products

VendorProductAffected versions
NextcloudNextcloud Server
from 30.0.0 before 30.0.17
from 31.0.0 before 31.0.10
from 32.0.0 before 32.0.1
from 22.0.0 before 22.2.10.33
from 23.0.0 before 23.0.12.29
from 24.0.0 before 24.0.12.28

Weakness classification

References