CVE-2026-42558: falha de alta gravidade em xibosignage xibo-cms
Xibo Vulnerable to Stored XSS and Iframe Sandbox Escape via Data Connector Script in DataSet
Publicada em · Atualizada em
21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 7.6epss 0.1%
probabilidade de exploração
0.1%top 97% das CVEs
exploração observada
nãonenhuma fonte reporta
Xibo is an open source digital signage platform with a web content management system and Windows display player software. Prior to 4.4.2, a vulnerability chain consisting of Stored XSS and Iframe Sandbox escape in the Xibo CMS allows users with DataSet permissions to use the Data Connector functionality to craft messages which escape the sandbox and facilitate XSS. Exploitation of the vulnerability is possible on behalf of an authorized user who has both of the following privileges, which are not granted to non-admins as standard: Include "Add DataSet" button to allow for additional DataSets to be created independently to Layouts Users should upgrade to version 4.4.2 which fixes this issue. Upgrading to a fixed version is necessary to remediate. Users unable to upgrade should revoke such privileges from users they do not trust.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N
Produtos afetados
xibosignage · xibo-cmsCVEs relacionadas — xibosignage xibo-cms
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