CVE-2018-15903 Information

Description

The Discuss v1.2.1 module in Claromentis 8.2.2 is vulnerable to stored Cross Site Scripting (XSS). An authenticated attacker will be able to place malicious JavaScript in the discussion forum which is present in the login landing page. A low privilege user can use this to steal the session cookies from high privilege accounts and hijack these enabling them to hijack the elevated session and perform actions in their security context.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Reference

https://seclists.org/fulldisclosure/2018/Oct/12

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

5.4