CVE-2026-42686 WordPress EventPrime plugin <= 4.3.2.1 - Cross Site Scripting (XSS) vulnerability

High 7.1 Published Updated

A subscriber can inject malicious scripts into the EventPrime plugin, potentially leading to code execution or account takeover for other users.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-42686?

CVE-2026-42686 is a high-severity cross-site scripting vulnerability in EventPrime, published on 15 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Subscriber Cross Site Scripting (XSS) in EventPrime <= 4.3.2.1 versions.

Weakness: CWE-79

Which versions are affected by CVE-2026-42686?

How do I fix CVE-2026-42686?

No fix has been published for CVE-2026-42686 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-2026-42686 being exploited?

There is no known exploitation of CVE-2026-42686 in the wild and no public exploit code.

Sources

Also known as GHSA-jpgx-m7fc-62c2.

Is CVE-2026-42686 in your software?

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