Xibo CMS has Preview and SavedReport IDOR via disableUserCheck without controller-level authorization

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Summary

CVECVE-2026-31956
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-24 01:16:11 UTC
Updated2026-04-24 01:16:11 UTC
DescriptionXibo is an open source digital signage platform with a web content management system and Windows display player software. Prior to version 4.4.1, any authenticated user can manually construct a URL to preview campaigns/regions, and export saved reports belonging to other users. Exploitation of the vulnerability is possible on behalf of an authorized user who has any of the following privileges: Page which shows all Layouts that have been created for the purposes of Layout Management; page which shows all Campaigns that have been created for the purposes of Campaign Management; and page which shows all Reports that have been Saved. Users should upgrade to version 4.4.1 which fixes this issue. Upgrading to a fixed version is necessary to remediate.

Risk And Classification

Primary CVSS: v3.1 4.3 MEDIUM from [email protected]

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

Problem Types: CWE-639 | CWE-639 CWE-639: Authorization Bypass Through User-Controlled Key

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
3.1CNADECLARED4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Xibosignage Xibo-cms affected < 4.4.1 Not specified

References

ReferenceSourceLinkTags
github.com/xibosignage/xibo-cms/releases/tag/4.4.1 [email protected] github.com
github.com/xibosignage/xibo-cms/security/advisories/GHSA-q6rv-8hhj-3fr8 [email protected] github.com
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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