CVE-2026-39696 MEDIUM

CVE-2026-39696: WordPress Elfsight WhatsApp Chat CC plugin <= 1.2.0 - Cross Site Scripting (XSS) vulnerability

Vendor Elfsight
Product Elfsight WhatsApp Chat CC
Weakness CWE-79 · XSS
Published April 8, 2026
Last update April 29, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/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 Elfsight Elfsight WhatsApp Chat CC elfsight-whatsapp-chat allows DOM-Based XSS.This issue affects Elfsight WhatsApp Chat CC: from n/a through <= 1.2.0.

Explanation of Vulnerability in Simple Terms

02Summary

Elfsight WhatsApp Chat CC versions up to 1.2.0 contain a cross-site scripting vulnerability. An authenticated user with low privileges can inject malicious scripts that execute in other users' browsers when they interact with the affected component. The vulnerability requires user interaction and can affect confidentiality, integrity, and availability of the site.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers to steal data, modify content, or disrupt site functionality.

Potential impact on your site

04Site Impact

Users' sessions and data are at risk; attackers can deface content, steal credentials, or redirect visitors to malicious sites.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege account and the victim must visit a page containing the injected payload.

Key dates

06Disclosure timeline

April 8, 2026 CVE published
April 29, 2026 Record updated

Related vulnerabilities

08Related CVE