CVE-2025-59788

EUVD-2025-201255
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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.4 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
nextcloudnextcloud_server
30.0.0 ≤
𝑥
< 30.0.17
nextcloudnextcloud_server
31.0.0 ≤
𝑥
< 31.0.10
nextcloudnextcloud_server
32.0.0 ≤
𝑥
< 32.0.1
nextcloudnextcloud_server
22.0.0 ≤
𝑥
< 22.2.10.33
nextcloudnextcloud_server
23.0.0 ≤
𝑥
< 23.0.12.29
nextcloudnextcloud_server
24.0.0 ≤
𝑥
< 24.0.12.28
nextcloudnextcloud_server
25.0.0 ≤
𝑥
< 25.0.13.23
nextcloudnextcloud_server
26.0.0 ≤
𝑥
< 26.0.13.20
nextcloudnextcloud_server
27.0.0 ≤
𝑥
< 27.1.11.20
nextcloudnextcloud_server
28.0.0 ≤
𝑥
< 28.0.14.11
nextcloudnextcloud_server
29.0.0 ≤
𝑥
< 29.0.16.8
nextcloudnextcloud_server
30.0.0 ≤
𝑥
< 30.0.17
nextcloudnextcloud_server
31.0.0 ≤
𝑥
< 31.0.10
nextcloudnextcloud_server
32.0.0 ≤
𝑥
< 32.0.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-24wp-p865-7j4r
https://nextcloud.com
https://www.redteam-pentesting.de/en/advisories/rt-sa-2025-003/