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

Medium 6.5 Published Updated

An attacker can inject malicious scripts via DOM-based XSS in the Elfsight WhatsApp Chat CC WordPress plugin, potentially compromising user sessions.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-39696?

CVE-2026-39696 is a medium-severity cross-site scripting vulnerability in Elfsight WhatsApp Chat CC, published on 8 Apr 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-79

Which versions are affected by CVE-2026-39696?

How do I fix CVE-2026-39696?

No fix has been published for CVE-2026-39696 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-39696 being exploited?

There is no known exploitation of CVE-2026-39696 in the wild and no public exploit code.

Sources

Also known as GHSA-264c-x5mq-ppr2.

Is CVE-2026-39696 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free