Vulnerability Details 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 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 59.8%
CVSS Severity
CVSS v3 Score 6.4
CVSS v2 Score 4.3
Products affected by CVE-2021-39222
-
cpe:2.3:a:nextcloud:talk:-
-
cpe:2.3:a:nextcloud:talk:0.1.0
-
cpe:2.3:a:nextcloud:talk:0.1.1
-
cpe:2.3:a:nextcloud:talk:0.1.2
-
cpe:2.3:a:nextcloud:talk:0.2.0
-
cpe:2.3:a:nextcloud:talk:1.0
-
cpe:2.3:a:nextcloud:talk:1.0.1
-
cpe:2.3:a:nextcloud:talk:1.0.10
-
cpe:2.3:a:nextcloud:talk:1.0.11
-
cpe:2.3:a:nextcloud:talk:1.0.12
-
cpe:2.3:a:nextcloud:talk:1.0.13
-
cpe:2.3:a:nextcloud:talk:1.0.14
-
cpe:2.3:a:nextcloud:talk:1.0.2
-
cpe:2.3:a:nextcloud:talk:1.0.21
-
cpe:2.3:a:nextcloud:talk:1.0.22
-
cpe:2.3:a:nextcloud:talk:1.0.3
-
cpe:2.3:a:nextcloud:talk:1.0.4
-
cpe:2.3:a:nextcloud:talk:1.0.5
-
cpe:2.3:a:nextcloud:talk:1.0.6
-
cpe:2.3:a:nextcloud:talk:1.0.7
-
cpe:2.3:a:nextcloud:talk:1.0.8
-
cpe:2.3:a:nextcloud:talk:1.0.9
-
cpe:2.3:a:nextcloud:talk:1.1.0
-
cpe:2.3:a:nextcloud:talk:1.1.1
-
cpe:2.3:a:nextcloud:talk:1.1.2
-
cpe:2.3:a:nextcloud:talk:1.1.3
-
cpe:2.3:a:nextcloud:talk:1.2.0
-
cpe:2.3:a:nextcloud:talk:10.0.0
-
cpe:2.3:a:nextcloud:talk:10.0.1
-
cpe:2.3:a:nextcloud:talk:10.0.2
-
cpe:2.3:a:nextcloud:talk:10.0.3
-
cpe:2.3:a:nextcloud:talk:10.0.4
-
cpe:2.3:a:nextcloud:talk:10.0.5
-
cpe:2.3:a:nextcloud:talk:10.0.6
-
cpe:2.3:a:nextcloud:talk:10.1.0
-
cpe:2.3:a:nextcloud:talk:10.1.1
-
cpe:2.3:a:nextcloud:talk:10.1.2
-
cpe:2.3:a:nextcloud:talk:10.1.3
-
cpe:2.3:a:nextcloud:talk:11.0.0
-
cpe:2.3:a:nextcloud:talk:11.0.1
-
cpe:2.3:a:nextcloud:talk:11.1.0
-
cpe:2.3:a:nextcloud:talk:11.1.1
-
cpe:2.3:a:nextcloud:talk:2.0.0
-
cpe:2.3:a:nextcloud:talk:2.0.1
-
cpe:2.3:a:nextcloud:talk:2.0.2
-
cpe:2.3:a:nextcloud:talk:2.1.0
-
cpe:2.3:a:nextcloud:talk:2.1.1
-
cpe:2.3:a:nextcloud:talk:2.1.2
-
cpe:2.3:a:nextcloud:talk:2.9.0
-
cpe:2.3:a:nextcloud:talk:2.9.1
-
cpe:2.3:a:nextcloud:talk:3.0.0
-
cpe:2.3:a:nextcloud:talk:3.0.1
-
cpe:2.3:a:nextcloud:talk:3.1.0
-
cpe:2.3:a:nextcloud:talk:3.1.1
-
cpe:2.3:a:nextcloud:talk:3.1.2
-
cpe:2.3:a:nextcloud:talk:3.1.3
-
cpe:2.3:a:nextcloud:talk:3.2.0
-
cpe:2.3:a:nextcloud:talk:3.2.1
-
cpe:2.3:a:nextcloud:talk:3.2.2
-
cpe:2.3:a:nextcloud:talk:3.2.3
-
cpe:2.3:a:nextcloud:talk:3.2.4
-
cpe:2.3:a:nextcloud:talk:3.2.5
-
cpe:2.3:a:nextcloud:talk:3.2.6
-
cpe:2.3:a:nextcloud:talk:3.2.7
-
cpe:2.3:a:nextcloud:talk:3.2.8
-
cpe:2.3:a:nextcloud:talk:3.3.0
-
cpe:2.3:a:nextcloud:talk:3.99.10
-
cpe:2.3:a:nextcloud:talk:3.99.11
-
cpe:2.3:a:nextcloud:talk:3.99.12
-
cpe:2.3:a:nextcloud:talk:3.99.8
-
cpe:2.3:a:nextcloud:talk:4.0.0
-
cpe:2.3:a:nextcloud:talk:4.0.1
-
cpe:2.3:a:nextcloud:talk:4.0.2
-
cpe:2.3:a:nextcloud:talk:4.0.3
-
cpe:2.3:a:nextcloud:talk:4.0.4
-
cpe:2.3:a:nextcloud:talk:4.99.0
-
cpe:2.3:a:nextcloud:talk:4.99.1
-
cpe:2.3:a:nextcloud:talk:4.99.5
-
cpe:2.3:a:nextcloud:talk:5.0.0
-
cpe:2.3:a:nextcloud:talk:5.0.1
-
cpe:2.3:a:nextcloud:talk:5.0.2
-
cpe:2.3:a:nextcloud:talk:5.0.3
-
cpe:2.3:a:nextcloud:talk:5.0.4
-
cpe:2.3:a:nextcloud:talk:5.99.10
-
cpe:2.3:a:nextcloud:talk:6.0.0
-
cpe:2.3:a:nextcloud:talk:6.0.1
-
cpe:2.3:a:nextcloud:talk:6.0.2
-
cpe:2.3:a:nextcloud:talk:6.0.3
-
cpe:2.3:a:nextcloud:talk:6.0.4
-
cpe:2.3:a:nextcloud:talk:6.0.5
-
cpe:2.3:a:nextcloud:talk:6.0.6
-
cpe:2.3:a:nextcloud:talk:6.0.7
-
cpe:2.3:a:nextcloud:talk:6.1.0
-
cpe:2.3:a:nextcloud:talk:6.1.1
-
cpe:2.3:a:nextcloud:talk:6.1.2
-
cpe:2.3:a:nextcloud:talk:6.1.3
-
cpe:2.3:a:nextcloud:talk:6.1.4
-
cpe:2.3:a:nextcloud:talk:6.1.5
-
cpe:2.3:a:nextcloud:talk:6.1.6
-
cpe:2.3:a:nextcloud:talk:7.0.0
-
cpe:2.3:a:nextcloud:talk:7.0.1
-
cpe:2.3:a:nextcloud:talk:7.0.2
-
cpe:2.3:a:nextcloud:talk:7.0.3
-
cpe:2.3:a:nextcloud:talk:7.0.4
-
cpe:2.3:a:nextcloud:talk:7.0.5
-
cpe:2.3:a:nextcloud:talk:7.0.6
-
cpe:2.3:a:nextcloud:talk:7.0.7
-
cpe:2.3:a:nextcloud:talk:7.0.8
-
cpe:2.3:a:nextcloud:talk:8.0.0
-
cpe:2.3:a:nextcloud:talk:8.0.1
-
cpe:2.3:a:nextcloud:talk:8.0.10
-
cpe:2.3:a:nextcloud:talk:8.0.11
-
cpe:2.3:a:nextcloud:talk:8.0.12
-
cpe:2.3:a:nextcloud:talk:8.0.13
-
cpe:2.3:a:nextcloud:talk:8.0.14
-
cpe:2.3:a:nextcloud:talk:8.0.15
-
cpe:2.3:a:nextcloud:talk:8.0.2
-
cpe:2.3:a:nextcloud:talk:8.0.3
-
cpe:2.3:a:nextcloud:talk:8.0.4
-
cpe:2.3:a:nextcloud:talk:8.0.5
-
cpe:2.3:a:nextcloud:talk:8.0.6
-
cpe:2.3:a:nextcloud:talk:8.0.7
-
cpe:2.3:a:nextcloud:talk:8.0.8
-
cpe:2.3:a:nextcloud:talk:8.0.9
-
cpe:2.3:a:nextcloud:talk:8.1.0
-
cpe:2.3:a:nextcloud:talk:8.2.0
-
cpe:2.3:a:nextcloud:talk:9.0.0
-
cpe:2.3:a:nextcloud:talk:9.0.1
-
cpe:2.3:a:nextcloud:talk:9.0.10
-
cpe:2.3:a:nextcloud:talk:9.0.2
-
cpe:2.3:a:nextcloud:talk:9.0.3
-
cpe:2.3:a:nextcloud:talk:9.0.4
-
cpe:2.3:a:nextcloud:talk:9.0.5
-
cpe:2.3:a:nextcloud:talk:9.0.6
-
cpe:2.3:a:nextcloud:talk:9.0.7
-
cpe:2.3:a:nextcloud:talk:9.0.8
-
cpe:2.3:a:nextcloud:talk:9.0.9