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.
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Thu, 04 Dec 2025 19:15:00 +0000

Type Values Removed Values Added
Description Cross-site scripting (XSS) vulnerability in a reachable files_pdfviewer example directory in Nextcloud in Nextcloud’s PDF viewer 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, 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. 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.

Thu, 04 Dec 2025 19:00:00 +0000

Type Values Removed Values Added
Description Cross-site scripting (XSS) vulnerability in a reachable files_pdfviewer example directory in Nextcloud in Nextcloud’s PDF viewer 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, 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.
First Time appeared Nextcloud
Nextcloud nextcloud
Weaknesses CWE-749
CPEs cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:*
Vendors & Products Nextcloud
Nextcloud nextcloud
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-12-04T19:02:03.447Z

Reserved: 2025-09-19T00:00:00.000Z

Link: CVE-2025-59788

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2025-12-04T19:16:04.380

Modified: 2025-12-04T19:16:04.380

Link: CVE-2025-59788

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses