CVE-2021-39222
Published: Nov 15, 2021
Modified: Aug 4, 2024
CVSS v3.1
6.4
Description
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.
| Vendor | Product | Versions |
|---|---|---|
nextcloud | security-advisories | affected < 10.0.7affected >= 10.1.0, < 10.1.4affected >= 11.1.0, < 11.1.2affected < 11.2.0affected >= 12.0.0.alpha-1, < 12.0.0 |
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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