CVE-2025-52707 WordPress Firelight Lightbox plugin <= 2.3.16 - Cross Site Scripting (XSS) Vulnerability

Medium 6.5 Published Updated

Attackers can inject malicious scripts into web pages viewed by other users via the Firelight Lightbox 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-2025-52707?

CVE-2025-52707 is a medium-severity cross-site scripting vulnerability in Firelight Lightbox, published on 20 Jun 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 Firelight Firelight Lightbox easy-fancybox allows Stored XSS.This issue affects Firelight Lightbox: from n/a through <= 2.3.16.

Weakness: CWE-79

Which versions are affected by CVE-2025-52707?

How do I fix CVE-2025-52707?

No fix has been published for CVE-2025-52707 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-2025-52707 being exploited?

There is no known exploitation of CVE-2025-52707 in the wild and no public exploit code.

Sources

Also known as GHSA-6vm4-5f9c-f7m7.

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