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CVSS: 6.1EPSS: 0%CPEs: 2EXPL: 1

28 Mar 2017 — Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are vulnerable to a log pollution vulnerability potentially leading to a local XSS. The download log functionality in the admin screen is delivering the log in JSON format to the end-user. The file was delivered with an attachment disposition forcing the browser to download the document. However, Firefox running on Microsoft Windows would offer the user to open the data in the browser as an HTML document. Thus any injected data in the log would b... • http://www.securityfocus.com/bid/97284 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE-209: Generation of Error Message Containing Sensitive Information •

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

28 Mar 2017 — Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are not properly verifying edit check permissions on WebDAV copy actions. The WebDAV endpoint was not properly checking the permission on a WebDAV COPY action. This allowed an authenticated attacker with access to a read-only share to put new files in there. It was not possible to modify existing files. Nextcloud Server en versiones anteriores a 9.0.52 & ownCloud Server en versiones anteriores a 9.0.4 no están verificando correctamente los permis... • http://www.securityfocus.com/bid/97276 • CWE-275: Permission Issues CWE-284: Improper Access Control •

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: 1%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 files app. The location bar in the files app was not verifying the passed parameters. An attacker could craft an invalid link to a fake directory structure and use this to display an attacker-controlled error message to the user. Nextcloud Server en versiones anteriores a 9.0.54 y 10.0.1y ownCloud Server en versiones anteriores a 9.0.6 y 9.1.2 sufren de contenido de suplantación en la aplic... • https://github.com/nextcloud/server/commit/1352365e8bf5ea49da3dc82b1ccf7ddb659ae960 • 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') •