CVE-2025-59788

MEDIUM EPSS 15.7%
Published Dec 4, 20256mo ago · Modified Jun 17, 20261w ago
5.4 CVSS 3.1
Medium
Find Similar
Published Dec 4, 2025 6mo ago
Last Modified Jun 17, 2026 1w ago

Description

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.

CVSS Details

Base Score
5.4
Exploitability
2.3
Impact
2.7
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Changed
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
15.7% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-749
CWE-79 Cross-site Scripting Injection

Affected Products 14

VendorProductVersionRange
nextcloudnextcloud_server*≥30.0.0  –  <30.0.17
nextcloudnextcloud_server*≥31.0.0  –  <31.0.10
nextcloudnextcloud_server*≥32.0.0  –  <32.0.1
nextcloudnextcloud_server*≥22.0.0  –  <22.2.10.33
nextcloudnextcloud_server*≥23.0.0  –  <23.0.12.29
nextcloudnextcloud_server*≥24.0.0  –  <24.0.12.28
nextcloudnextcloud_server*≥25.0.0  –  <25.0.13.23
nextcloudnextcloud_server*≥26.0.0  –  <26.0.13.20
nextcloudnextcloud_server*≥27.0.0  –  <27.1.11.20
nextcloudnextcloud_server*≥28.0.0  –  <28.0.14.11
nextcloudnextcloud_server*≥29.0.0  –  <29.0.16.8
nextcloudnextcloud_server*≥30.0.0  –  <30.0.17
nextcloudnextcloud_server*≥31.0.0  –  <31.0.10
nextcloudnextcloud_server*≥32.0.0  –  <32.0.1

References 3

  • github.com https://github.com/nextcloud/security-advisories/security/advisories/GHSA-24wp-p865-7j4r
    MitigationVendor Advisory
  • nextcloud.com https://nextcloud.com
    Product
  • redteam-pentesting.de https://www.redteam-pentesting.de/en/advisories/rt-sa-2025-003/
    ExploitThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.