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2021-10-25
 
CVE-2021-39221

CWE-79
 

 
Nextcloud is an open-source, self-hosted productivity platform. The Nextcloud Contacts application prior to version 4.0.3 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 Content-Security-Policy shipped with Nextcloud, this issue is not exploitable on modern browsers supporting Content-Security-Policy. It is recommended that the Nextcloud Contacts application is upgraded to 4.0.3. As a workaround, one may use a browser that has support for Content-Security-Policy.

 
2021-01-06
 
CVE-2020-8281

CWE-79
 

 
A missing file type check in Nextcloud Contacts 3.3.0 allows a malicious user to upload malicious SVG files to perform cross-site scripting (XSS) attacks.

 
 
CVE-2020-8280

CWE-79
 

 
A missing file type check in Nextcloud Contacts 3.4.0 allows a malicious user to upload SVG files as PNG files to perform cross-site scripting (XSS) attacks.

 
2020-07-10
 
CVE-2020-8181

CWE-434
 

 
A missing file type check in Nextcloud Contacts 3.2.0 allowed a malicious user to upload any file as avatars.

 

 >>> Vendor: Nextcloud 18 Produkty
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