CVE-2023-51371 MEDIUM

CVE-2023-51371: WordPress Bit Assist Plugin <= 1.1.9 is vulnerable to Cross Site Scripting (XSS)

Vendor Bit Assist
Product Chat Widget: WhatsApp Chat, Facebook Messenger Chat, Telegram Chat Bubble, Line Messenger, Live Chat Support Chat Button, WeChat, SMS, Call Button, Customer Support Button with floating Chat Widget
Weakness CWE-79 · XSS
Published December 29, 2023
Last update April 28, 2026

CVSS base score

5.9/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L

What the vulnerability does

01Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Bit Assist Chat Widget: WhatsApp Chat, Facebook Messenger Chat, Telegram Chat Bubble, Line Messenger, Live Chat Support Chat Button, WeChat, SMS, Call Button, Customer Support Button with floating Chat Widget allows Stored XSS.This issue affects Chat Widget: WhatsApp Chat, Facebook Messenger Chat, Telegram Chat Bubble, Line Messenger, Live Chat Support Chat Button, WeChat, SMS, Call Button, Customer Support Button with floating Chat Widget: from n/a through 1.1.9.

Explanation of Vulnerability in Simple Terms

02Summary

A cross-site scripting (XSS) vulnerability in Bit Assist's Chat Widget allows an authenticated administrator to inject malicious scripts through the widget configuration. The injected code executes in the browsers of site visitors, potentially compromising user data or session tokens. An administrator with high privileges and user interaction (victim visiting the affected page) is required to trigger the vulnerability.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript that runs in visitors' browsers when they view the site.

Potential impact on your site

04Site Impact

Visitor sessions, credentials, or personal data could be stolen if an admin account is compromised.

Conditions required to exploit

05Prerequisites

Administrator account access and a site visitor must view a page containing the widget.

Key dates

06Disclosure timeline

December 29, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE