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 Content-Security-Policy shipped with Nextcloud, this issue is not exploitable on modern browsers supporting Content-Security-Policy. It is recommended that the Nextcloud Talk application is upgraded to patched versions 10.0.7, 10.1.4, 11.1.2, 11.2.0 or 12.0.0. As a workaround, use a browser that has support for Content-Security-Policy.
Metrics
Affected Vendors & Products
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: GitHub_M
Published: 2021-11-15T18:30:13
Updated: 2024-08-04T01:58:18.181Z
Reserved: 2021-08-16T00:00:00
Link: CVE-2021-39222
Vulnrichment
No data.
NVD
Status : Modified
Published: 2021-11-15T19:15:07.297
Modified: 2024-11-21T06:18:56.530
Link: CVE-2021-39222
Redhat
No data.