SB2018040910 - Stored cross-site scripting in WP-LiveChat WP Live Chat Support for WordPress



SB2018040910 - Stored cross-site scripting in WP-LiveChat WP Live Chat Support for WordPress

Published: April 9, 2018

Security Bulletin ID SB2018040910
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Stored cross-site scripting (CVE-ID: CVE-2018-9864)

The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data passed via the Name field. A remote attacker can permanently store and execute arbitrary HTML and script code in user's browser in context of vulnerable website, when chat history is viewed by website administrators.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


Remediation

Install update from vendor's website.