CVE-2020-8294 Common Vulnerabilities and Exposures

Upstream information

CVE-2020-8294 at MITRE

Description

A missing link validation in Nextcloud Server before 20.0.2, 19.0.5, 18.0.11 allows execution of a stored XSS attack using Internet Explorer when saving a 'javascript:' URL in markdown format.

SUSE information

Overall state of this security issue: Resolved

This issue is currently not rated by SUSE as it is not affecting the SUSE Enterprise products.

CVSS v2 Scores
CVSS detail	National Vulnerability Database
Base Score	3.5
Vector	AV:N/AC:M/Au:S/C:N/I:P/A:N
Access Vector	Network
Access Complexity	Medium
Authentication	Single
Confidentiality Impact	None
Integrity Impact	Partial
Availability Impact	None

CVSS v3 Scores
CVSS detail	National Vulnerability Database
Base Score	5.4
Vector	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	Required
Scope	Changed
Confidentiality Impact	Low
Integrity Impact	Low
Availability Impact	None
CVSSv3 Version	3.1

SUSE Bugzilla entry: 1181803 [NEW]

SUSE Security Advisories:

openSUSE-SU-2021:0262-1, published Tue Feb 16 10:27:50 2021
openSUSE-SU-2021:0274-1, published Tue Feb 16 10:27:50 2021
openSUSE-SU-2021:1068-1, published Wed Jul 21 03:40:09 2021

List of released packages

Product(s)	Fixed package version(s)	References
SUSE Package Hub 12	`nextcloud >= 20.0.11-28.1` `nextcloud-apache >= 20.0.11-28.1`	Patchnames: openSUSE-2021-1068
SUSE Package Hub 15 SP1	`nextcloud >= 20.0.11-bp151.3.15.1` `nextcloud-apache >= 20.0.11-bp151.3.15.1`	Patchnames: openSUSE-2021-1068
SUSE Package Hub 15 SP2	`nextcloud >= 20.0.11-bp152.2.9.1` `nextcloud-apache >= 20.0.11-bp152.2.9.1`	Patchnames: openSUSE-2021-1068 openSUSE-2021-274
SUSE Package Hub 15 SP3	`nextcloud >= 20.0.11-bp153.2.3.1` `nextcloud-apache >= 20.0.11-bp153.2.3.1`	Patchnames: openSUSE-2021-1068
openSUSE Leap 15.2	`nextcloud >= 20.0.11-lp152.3.9.1` `nextcloud-apache >= 20.0.11-lp152.3.9.1`	Patchnames: openSUSE-2021-1068 openSUSE-2021-262
openSUSE Leap 15.3	`nextcloud >= 20.0.11-bp153.2.3.1` `nextcloud-apache >= 20.0.11-bp153.2.3.1`	Patchnames: openSUSE-2021-1068

SUSE Timeline for this CVE

CVE page created: Thu Feb 4 01:25:10 2021
CVE page last modified: Mon Oct 6 19:24:29 2025