CVE-2021-22878

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-22878
Nextcloud Server prior to 20.0.6 is vulnerable to reflected cross-site scripting (XSS) due to lack of sanitization in `OC.Notification.show`.

4.8 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.7 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

3.5 /10

CVSS v2.0 : LOW

V2 Legend

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/server/pull/25234 Patch Third Party Advisory
https://hackerone.com/reports/896522 Exploit Issue Tracking Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L6BO6P6MP2MOWA6PZRXX32PLWPXN5O4S/
https://nextcloud.com/security/advisory/?id=NC-SA-2021-005 Vendor Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
History

07 Nov 2023, 03:30

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L6BO6P6MP2MOWA6PZRXX32PLWPXN5O4S/', 'name': 'FEDORA-2021-eac0e52f88', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L6BO6P6MP2MOWA6PZRXX32PLWPXN5O4S/ -

01 Jan 2022, 18:02

Type Values Removed Values Added
CPE cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L6BO6P6MP2MOWA6PZRXX32PLWPXN5O4S/ - Mailing List, Third Party Advisory
First Time Fedoraproject fedora
Fedoraproject

10 Mar 2021, 13:54

Type Values Removed Values Added
References (MISC) https://nextcloud.com/security/advisory/?id=NC-SA-2021-005 - (MISC) https://nextcloud.com/security/advisory/?id=NC-SA-2021-005 - Vendor Advisory
References (MISC) https://hackerone.com/reports/896522 - (MISC) https://hackerone.com/reports/896522 - Exploit, Issue Tracking, Third Party Advisory
References (MISC) https://github.com/nextcloud/server/pull/25234 - (MISC) https://github.com/nextcloud/server/pull/25234 - Patch, Third Party Advisory
CPE cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
CWE CWE-79
CVSS v2 : unknown
v3 : unknown 		v2 : 3.5
v3 : 4.8

03 Mar 2021, 18:16

Type Values Removed Values Added
New CVE
Information

Published : 2021-03-03 18:15

Updated : 2023-12-10 13:41

NVD link : CVE-2021-22878

Mitre link : CVE-2021-22878

CVE.ORG link : CVE-2021-22878

JSON object : View

Products Affected

nextcloud

  • nextcloud_server

fedoraproject

  • fedora
CWE
CWE-79

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