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…

PriorityP427medium5.4CVSS 3.1

AVNACLPRLUIRSCCLILAN

EPSS

0.25%

15.7th percentile

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

11 ranges

Vendor	Product	Version range	Fixed in
nextcloud	nextcloud_server	>= 22.0.0 < 22.2.10.33	22.2.10.33
nextcloud	nextcloud_server	>= 23.0.0 < 23.0.12.29	23.0.12.29
nextcloud	nextcloud_server	>= 24.0.0 < 24.0.12.28	24.0.12.28
nextcloud	nextcloud_server	>= 25.0.0 < 25.0.13.23	25.0.13.23
nextcloud	nextcloud_server	>= 26.0.0 < 26.0.13.20	26.0.13.20
nextcloud	nextcloud_server	>= 27.0.0 < 27.1.11.20	27.1.11.20
nextcloud	nextcloud_server	>= 28.0.0 < 28.0.14.11	28.0.14.11
nextcloud	nextcloud_server	>= 29.0.0 < 29.0.16.8	29.0.16.8
nextcloud	nextcloud_server	>= 30.0.0 < 30.0.17	30.0.17
nextcloud	nextcloud_server	>= 31.0.0 < 31.0.10	31.0.10
nextcloud	nextcloud_server	>= 32.0.0 < 32.0.1	32.0.1

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