Nextcloud: Access to arbitrary file of the Nextcloud Android app from within the Nextcloud Android app

Summary: The Android client of nextcloud com.nextcloud.client allows arbitrary file including protected/private files to be leaked through the file upload functionality. Steps To Reproduce: A report 1142918 has been submitted for the vulnerability of leaking arbitrary protected files. NextCloud...

Nextcloud: bypass forced password protection via circles app

Summary: A user can bypass password enforcement for link and email shares by using a circle Steps To Reproduce: 1. enable forced passwords for link shares and email shares as administrator in the share settings 2. as user create a circle and add an e-mail-address 3. share some file to that circle...

Nextcloud: Possibility to force an admin to install recommended applications

Summary: Endpoint /nextcloud/index.php/core/apps/recommended is accessible via GET http method and doesn't check anti-csrf token. If an admin visits this endpoint in a browser the process of installation of recommended applications begins immediately. Steps To Reproduce: 1. an attacker creates a...

Nextcloud: Control character filtering misses leading and trailing whitespace in file and folder names

Summary: It is possible to create files and folders that have leading and trailing \n, \r, \t, and \v characters. The server rejects files and folders that have these characters in the middle of their names, so this might be an opportunity for injection. In lib/private/Files/Storage/Common.php, t...

CVE-2021-39222

Nextcloud is an open-source, self-hosted productivity platform. The Nextcloud Talk application was vulnerable to a stored Cross-Site Scripting XSS vulnerability. For exploitation, a user would need to right-click on a malicious file and open the file in a new tab. Due the strict...

CVE-2021-39222

Nextcloud is an open-source, self-hosted productivity platform. The Nextcloud Talk application was vulnerable to a stored Cross-Site Scripting XSS vulnerability. For exploitation, a user would need to right-click on a malicious file and open the file in a new tab. Due the strict...

CVE-2021-39222

Nextcloud is an open-source, self-hosted productivity platform. The Nextcloud Talk application was vulnerable to a stored Cross-Site Scripting XSS vulnerability. For exploitation, a user would need to right-click on a malicious file and open the file in a new tab. Due the strict...

Cross site scripting

Nextcloud is an open-source, self-hosted productivity platform. The Nextcloud Talk application was vulnerable to a stored Cross-Site Scripting XSS vulnerability. For exploitation, a user would need to right-click on a malicious file and open the file in a new tab. Due the strict...

CVE-2021-39222 XSS in Talk

Nextcloud is an open-source, self-hosted productivity platform. The Nextcloud Talk application was vulnerable to a stored Cross-Site Scripting XSS vulnerability. For exploitation, a user would need to right-click on a malicious file and open the file in a new tab. Due the strict...

CVE-2021-39222

Nextcloud Talk is affected by a stored XSS vulnerability in the Talk component of Nextcloud. The issue can be triggered by right-clicking a malicious file and opening it in a new tab, but exploitation is mitigated on modern browsers due to Content-Security-Policy (CSP). Remediation is to upgrade ...

CVE-2021-39222

Nextcloud is an open-source, self-hosted productivity platform. The Nextcloud Talk application was vulnerable to a stored Cross-Site Scripting XSS vulnerability. For exploitation, a user would need to right-click on a malicious file and open the file in a new tab. Due the strict...

PT-2021-22473

Name of the Vulnerable Software and Affected Versions Nextcloud Talk versions prior to 10.0.7 Nextcloud Talk versions prior to 10.1.4 Nextcloud Talk versions prior to 11.1.2 Nextcloud Talk versions prior to 11.2.0 Nextcloud Talk versions prior to 12.0.0 Description The Nextcloud Talk application...

CVE-2021-39222: Unrestricted Upload of File with Dangerous Type

Nextcloud is an open-source, self-hosted productivity platform. The Nextcloud Talk application was vulnerable to a stored Cross-Site Scripting XSS vulnerability. For exploitation, a user would need to right-click on a malicious file and open the file in a new tab. Due the strict...

Nextcloud: SQL injextion via vulnerable doctrine/dbal version

Summary: SQL injection via limit parameter on user facing APIs Steps To Reproduce: Run security scanner: 1. REPORT /remote.php/dav/comments/files/1985 1. XML input oc:filter-comments.oc:limittext was set to 1'" 1. You have an error in your SQL syntax Supporting Material/References: For more detai...

Nextcloud Richdocuments Information Disclosure Vulnerability

Nextcloud is a set of open source self-hosted file synchronization and sharing communication applications platform from Germany-based Nextcloud. nextcloud Richdocuments application in versions prior to 3.8.6 and 4.2.3 is vulnerable to an information disclosure vulnerability where the vulnerable...

Nextcloud Deck Access Control Error Vulnerability (CNVD-2021-102877)

Nextcloud is an open source set of self-hosted file synchronization and sharing communication applications platform from Germany-based Nextcloud. Nextcloud Deck is vulnerable to an access control error in versions prior to 1.2.9, 1.4.5 and 1.5.3. The vulnerability stems from a lack of permission...

Nextcloud has an unspecified vulnerability (CNVD-2022-18417)

Nextcloud is an open source, self-hosted file synchronization and sharing communications application platform from Nextcloud, a German company. nextcloud has a security vulnerability that stems from an improper design or implementation during the development of code for a networked system or...

Nextcloud Contacts Cross-Site Scripting Vulnerability

Nextcloud is an open source self-hosted file synchronization and sharing communication application platform from Nextcloud Germany. nextcloud Contacts application prior to version 4.0.3 suffers from a cross-site scripting vulnerability that stems from the lack of proper validation of client-side...

Nextcloud OfficeOnline Information Disclosure Vulnerability

Nextcloud is an open source, self-hosted file synchronization and sharing communications application platform from Nextcloud Germany. nextcloud OfficeOnline applications prior to version 1.1.1 are vulnerable to an information disclosure vulnerability in which the vulnerable application returns...

Nextcloud Mail Information Disclosure Vulnerability

Nextcloud is a set of open source self-hosted file synchronization and sharing communication applications platform from Germany-based Nextcloud. Nextcloud Mail applications prior to versions 1.10.4 and 1.11.0 are vulnerable to an information disclosure vulnerability that stems from a privacy filt...