XiboSignage Xibo CMS up to 4.4.2 Dataset Export /dataset/export/csv id improper authorization

Summaryinfo

A vulnerability has been found in XiboSignage Xibo CMS up to 4.4.2 and classified as problematic. This impacts an unknown function of the file /dataset/export/csv of the component Dataset Export. The manipulation of the argument ID leads to improper authorization. This vulnerability is uniquely identified as CVE-2026-50541. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in XiboSignage Xibo CMS up to 4.4.2. This issue affects an unknown part of the file /dataset/export/csv of the component Dataset Export. The manipulation of the argument id with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality. The summary by CVE is:

Xibo is an open source digital signage platform with a web content management system and Windows display player software. Prior to 4.4.3, missing access-control checks on `GET /dataset/export/csv/{id}` allow an authenticated user to export data from any dataset, including datasets created by administrators, by iterating over `sequential dataset IDs`. Exploitation requires access to the privilege allowing edits, including deletion, to all created `DataSets` independently of Layouts. This privilege is not granted to non-administrators as standard. This issue is fixed in version 4.4.3.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-50541 since 06/04/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

Upgrading to version 4.4.3 eliminates this vulnerability.

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Productinfo

Type

• Content Management System

Vendor

• XiboSignage

Name

• Xibo CMS

Version

• 4.4.0
• 4.4.1
• 4.4.2

CPE 2.3info

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CPE 2.2info

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