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CVE-2026-31956— Xibo CMS has Preview and SavedReport IDOR via disableUserCheck without controller-level authorization

Quick assessment

Affected
xibosignage xibo-cms
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Xibo是Dan Garner个人开发者的一款数字标牌内容管理工具。 Xibo 4.4.1之前版本存在安全漏洞，该漏洞源于任何经过身份验证的用户可以手动构造URL来预览活动/区域并导出属于其他用户的已保存报告。

CVSS 4.3 · Medium EPSS 0.30% · P21

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2026-31956

Vulnerability Information
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Vulnerability Title
Xibo CMS has Preview and SavedReport IDOR via disableUserCheck without controller-level authorization
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
Xibo 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Xibo是Dan Garner个人开发者的一款数字标牌内容管理工具。 Xibo 4.4.1之前版本存在安全漏洞，该漏洞源于任何经过身份验证的用户可以手动构造URL来预览活动/区域并导出属于其他用户的已保存报告。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
xibosignage xibo-cms < 4.4.1 -

II. Public POCs for CVE-2026-31956

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III. Intelligence Information for CVE-2026-31956

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Patches & Fixes for CVE-2026-31956 (1)

Same Patch Batch · xibosignage · 2026-04-24 · 4 CVEs total

CVE-2026-31952 7.6 HIGH Xibo CMS API has SQL Injection via DataSet Filter Parameter
CVE-2026-31953 6.4 MEDIUM Xibo CMS has Stored XSS via Notification Body with Zero-Click Execution on Login
CVE-2026-31955 4.9 MEDIUM Xibo CMS has Authenticated Server-Side Request Forgery (SSRF) in Remote DataSet Functional

IV. Related Vulnerabilities

Same product: xibo-cms
Same vendor: xibosignage
Same weakness: CWE-639

V. Comments for CVE-2026-31956

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