CVE-2026-25345 WordPress SimpLy Gallery plugin <= 3.3.2 - Arbitrary Code Execution vulnerability

Critical 9.9 Published Updated

An attacker can execute arbitrary code via improper input validation in the SimpLy Gallery WordPress plugin.

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-2026-25345?

CVE-2026-25345 is a critical code injection vulnerability in GalleryCreator SimpLy Gallery, published on 25 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Improper Validation of Specified Quantity in Input vulnerability in GalleryCreator SimpLy Gallery simply-gallery-block allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects SimpLy Gallery: from n/a through <= 3.3.2.

Weakness: CWE-1284

Which versions are affected by CVE-2026-25345?

How do I fix CVE-2026-25345?

No fix has been published for CVE-2026-25345 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-25345 being exploited?

There is no known exploitation of CVE-2026-25345 in the wild and no public exploit code.

Sources

Also known as GHSA-5mpf-9qfh-9g4r.

Is CVE-2026-25345 in your software?

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