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CVSS: 4.3EPSS: 0%CPEs: 2EXPL: 1

28 Mar 2017 — Nextcloud Server before 9.0.54 and 10.0.0 suffers from an improper authorization check on removing shares. The Sharing Backend as implemented in Nextcloud does differentiate between shares to users and groups. In case of a received group share, users should be able to unshare the file to themselves but not to the whole group. The previous API implementation simply unshared the file to all users in the group. Nextcloud Server en versiones anteriores a 9.0.54 y 10.0.0 sufre de una verificación de autorización... • http://www.securityfocus.com/bid/97287 • CWE-285: Improper Authorization •

CVSS: 5.4EPSS: 0%CPEs: 3EXPL: 1

28 Mar 2017 — Nextcloud Server before 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2 suffer from Stored XSS in CardDAV image export. The CardDAV image export functionality as implemented in Nextcloud/ownCloud allows the download of images stored within a vCard. Due to not performing any kind of verification on the image content this is prone to a stored Cross-Site Scripting attack. Nextcloud Server en versiones anteriores a 10.0.1 y ownCloud Server en versiones anteriores a 9.0.6 y 9.1.2 sufren de XSS almacenado en la e... • https://github.com/nextcloud/server/commit/68ab8325c799d20c1fb7e98d670785176590e7d0 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •

CVSS: 6.1EPSS: 0%CPEs: 3EXPL: 1

28 Mar 2017 — Nextcloud Server before 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2 suffer from Reflected XSS in the Gallery application. The gallery app was not properly sanitizing exception messages from the Nextcloud/ownCloud server. Due to an endpoint where an attacker could influence the error message, this led to a reflected Cross-Site-Scripting vulnerability. Nextcloud Server en versiones anteriores a 10.0.1 y ownCloud Server en versiones anteriores a 9.0.6 y 9.1.2 sufren de Reflexed XSS en la aplicación Galería... • https://github.com/nextcloud/gallery/commit/f9ef505c1d60c9041e251682e0f6b3daad952d58 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •

CVSS: 5.3EPSS: 0%CPEs: 4EXPL: 1

28 Mar 2017 — Nextcloud Server before 9.0.54 and 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2 suffer from content spoofing in the dav app. The exception message displayed on the DAV endpoints contained partially user-controllable input leading to a potential misrepresentation of information. Nextcloud Server en versiones anteriores a 9.0.54 and 10.0.1 y ownCloud Server en versiones anteriores a 9.0.6 y 9.1.2 sufren de contenido de suplantación en la aplicación dav. El mensaje de excepción que se muestra en los puntos ... • https://github.com/nextcloud/server/commit/7350e13113c8ed484727a5c25331ec11d4d59f5f • CWE-284: Improper Access Control CWE-451: User Interface (UI) Misrepresentation of Critical Information •

CVSS: 5.4EPSS: 0%CPEs: 2EXPL: 1

17 Sep 2016 — Cross-site scripting (XSS) vulnerability in share.js in the gallery application in ownCloud Server before 9.0.4 and Nextcloud Server before 9.0.52 allows remote authenticated users to inject arbitrary web script or HTML via a crafted directory name. Vulnerabilidad de XSS en share.js en la aplicación de galería en ownCloud Server en versiones anteriores a 9.0.4 y Nextcloud Server en versiones anteriores a 9.0.52 permite a usuarios remotos autenticados inyectar secuencias de comandos web o HTML arbitrarios a ... • http://www.securityfocus.com/bid/92373 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •