CVE-2020-8294

Published: Feb 3, 2021Modified: Nov 21, 2024

5.4

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Exploitability: 2.3 / Impact: 2.7

Source: NVD

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.

Affected (3)

Products: Nextcloud: Nextcloud Server

Nextcloud

1 product

Nextcloud Server

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Nextcloud Nextcloud Server	Before 18.0.11
Nextcloud Nextcloud Server	From 19.0.0 to 19.0.5
Nextcloud Nextcloud Server	From 20.0.0 to 20.0.2

Related CWEs

CWE-79

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

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (4)

https://hackerone.com/reports/1023787

Source: support@hackerone.com

Permissions RequiredThird Party Advisory

https://nextcloud.com/security/advisory/?id=NC-SA-2021-002

Source: support@hackerone.com

Vendor Advisory

https://hackerone.com/reports/1023787

Source: af854a3a-2127-422b-91ae-364da2661108

Permissions RequiredThird Party Advisory

https://nextcloud.com/security/advisory/?id=NC-SA-2021-002

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.