CVE-2025-59788

MEDIUM

6.4

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.

CVE Details

CVSS v3.1 Score6.4

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published12/4/2025

Last Modified3/25/2026

Sourcenvd

Honeypot Sightings0

Affected Products

nextcloud:nextcloud_server

Weaknesses (CWE)

CWE-749CWE-79

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-24wp-p865-7j4r(cve@mitre.org)

https://nextcloud.com(cve@mitre.org)

https://www.redteam-pentesting.de/en/advisories/rt-sa-2025-003/(cve@mitre.org)

IOC Correlations

No correlations recorded

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