CVE-2026-81798 WordPress Easy Appointments plugin <= 4.0.2.1 - Cross Site Scripting (XSS) vulnerability

High 7.1 Published Updated

An attacker can inject malicious scripts via DOM-based XSS in the Easy Appointments WordPress plugin, potentially compromising user sessions.

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

What is CVE-2026-81798?

CVE-2026-81798 is a high-severity cross-site scripting vulnerability in Easy Appointments, published on 8 Sep 2026. An attacker can exploit it over the internet without logging in, 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 Easy Appointments allows DOM-Based XSS.

This issue affects Easy Appointments: from n/a through 4.0.2.1.

Weakness: CWE-79

Which versions are affected by CVE-2026-81798?

How do I fix CVE-2026-81798?

No fix has been published for CVE-2026-81798 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-2026-81798 being exploited?

There is no known exploitation of CVE-2026-81798 in the wild and no public exploit code.

Sources

Also known as GHSA-rf52-23w5-wr23.

Is CVE-2026-81798 in your software?

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