Main Vulnerability Database Vulnerabilities #VU30224

Cross-site scripting in Mattermost Server - CVE-2017-18877

Published: June 19, 2020 / Updated: July 17, 2020

Vulnerability identifier: #VU30224

CSH Severity: Low

CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear

CVE-ID: CVE-2017-18877

CWE-ID: CWE-79

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
Mattermost Server

Software vendor:
Mattermost, Inc.

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS attacks could occur against an OAuth 2.0 allow/deny page.

Install update from vendor's website.