CVE-2025-57966 WordPress Gallery Lightbox plugin <= 1.0.0.41 - Cross Site Scripting (XSS) vulnerability

Medium 6.5 Published Updated

An attacker can inject malicious scripts into the Gallery Lightbox plugin, potentially executing code in victim browsers.

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-2025-57966?

CVE-2025-57966 is a medium-severity cross-site scripting vulnerability in GhozyLab Gallery Lightbox, published on 22 Sep 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 GhozyLab Gallery Lightbox gallery-lightbox-slider allows Stored XSS.This issue affects Gallery Lightbox: from n/a through <= 1.0.0.41.

Weakness: CWE-79

Which versions are affected by CVE-2025-57966?

How do I fix CVE-2025-57966?

No fix has been published for CVE-2025-57966 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-2025-57966 being exploited?

There is no known exploitation of CVE-2025-57966 in the wild and no public exploit code.

Sources

Also known as GHSA-5g2m-7x59-89r4.

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