Description

WordPress Plugin Live Chat with Facebook Messenger is prone to a cross-site scripting vulnerability because it fails to properly sanitize user-supplied input. An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks. WordPress Plugin Live Chat with Facebook Messenger version 1.4.4 is vulnerable; prior versions may also be affected.

Remediation

Update to plugin version 1.4.5 or latest

References

https://www.pluginvulnerabilities.com/2019/05/16/this-persistent-cross-site-scripting-xss-vulnerability-seems-likely-to-be-what-hackers-would-be-interested-in-fb-messenger-live-chat-for/

Related Vulnerabilities

WordPress Plugin Total Donations for Wordpress Security Bypass (2.0.5)

Drupal Core 8.x Multiple Vulnerabilities (8.0.0 - 8.3.3)

WordPress Plugin Comment Rating Cross-Site Request Forgery (2.9.20)

WordPress Plugin BadgeOS SQL Injection (3.7.0)

WordPress Plugin WP-Filebase Download Manager Remote Code Execution (0.3.0.03)

Severity

High

Classification

CWE-79 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

Tags

Missing Update XSS