SB2018040909 - Stored XSS in WP Live Chat Support for WordPress

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Main Vulnerability Database SB2018040909

SB2018040909 - Stored XSS in WP Live Chat Support for WordPress

Published: April 9, 2018 Updated: May 17, 2019

Security Bulletin ID SB2018040909
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.

References