CVE-2025-46228 WordPress Event post plugin <= 5.9.11 - Cross Site Scripting (XSS) Vulnerability

Medium 6.5 Published Updated

An attacker can execute arbitrary scripts in the victim's browser via DOM-based XSS in the Event post WordPress plugin.

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-2025-46228?

CVE-2025-46228 is a medium-severity cross-site scripting vulnerability in Bastien Ho Event post, published on 22 Apr 2025. 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 Bastien Ho Event post event-post allows DOM-Based XSS.This issue affects Event post: from n/a through <= 5.9.11.

Weakness: CWE-79

Which versions are affected by CVE-2025-46228?

It affects 1 product.

Products include Avecnous Event Post.

How do I fix CVE-2025-46228?

No fix has been published for CVE-2025-46228 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-2025-46228 being exploited?

There is no known exploitation of CVE-2025-46228 in the wild and no public exploit code.

Sources

Also known as GHSA-89w7-ghxh-3v5x.

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