CVE-2021-32782

Nextcloud Circles is an open source social network built for the nextcloud ecosystem. In affected versions the Nextcloud Circles application is vulnerable to a stored Cross-Site Scripting (XSS) vulnerability. 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 Circles application is upgraded to 0.21.3, 0.20.10 or 0.19.14 to resolve this issue. As a workaround users may use a browser that has support for Content-Security-Policy. A notable exemption is Internet Explorer which does not support CSP properly.

CVSS v3 5.4 MEDIUM
CVSS v2.0 3.5 LOW

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

3.5^/10

CVSS v2.0 : LOW

Vector : AV:N/AC:M/Au:S/C:N/I:P/A:N

Exploitability : 6.8 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://github.com/nextcloud/circles/commit/dbb97a83ccb342c839a54f088aa19b8ba6844b0e	Patch Third Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-hgpq-28gj-jrj9	Patch Third Party Advisory
https://hackerone.com/reports/1217606	Permissions Required Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:nextcloud:circles::::::::
	cpe:2.3:a:nextcloud:circles::::::::
	cpe:2.3:a:nextcloud:circles::::::::

History

No history.

Information

Published : 2021-09-07 20:15

Updated : 2021-09-10 19:59

NVD link : CVE-2021-32782

Mitre link : CVE-2021-32782

CVE.ORG link : CVE-2021-32782

JSON object : View

Products Affected

nextcloud

circles

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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