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CVE-2026-31956

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

MEDIUM
4.3
CVSS Score
Published: April 24, 2026 at 12:16 AM UTC
Updated: October 26, 2026 at 10:10 PM UTC
1 product affected across 1 vendorXibo

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

Xibo 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Xibo· Xibosignage
95%
v < 4.4.1
Affected range stops below 4.4.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_CONFIRMVendor Advisory
Source: cverecord
https://github.com/xibosignage/xibo-cms/security/advisories/GHSA-q6rv-8hhj-3fr8
x_refsource_MISCRelease Notes
Source: cverecord
https://github.com/xibosignage/xibo-cms/releases/tag/4.4.1

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-639

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