| |
Vulnerability CVE-2021-39221
Published: 2021-10-25
Description: |
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. |
Type:
CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))
CVSS2 => (AV:N/AC:M/Au:S/C:N/I:P/A:N)
CVSS Base Score |
Impact Subscore |
Exploitability Subscore |
3.5/10 |
2.9/10 |
6.8/10 |
Exploit range |
Attack complexity |
Authentication |
Remote |
Medium |
Single time |
Confidentiality impact |
Integrity impact |
Availability impact |
None |
Partial |
None |
References: |
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-j6cx-mxqf-f9vc
https://github.com/nextcloud/contacts/pull/2407
|
|
|
closedb();
?>
Copyright 2024, cxsecurity.com
|
|
|