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CVE-2023-6747 FooGallery Premium <= 2.3.3 - Authenticated (Contributor+) Stored Cross-Site Scripting

Medium 6.4 Published Updated

Authenticated contributors can inject arbitrary scripts via custom attributes, leading to stored XSS execution 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-2023-6747?

CVE-2023-6747 is a medium-severity cross-site scripting vulnerability in fooplugins FooGallery Premium, published on 3 Jan 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Best WordPress Gallery Plugin – FooGallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the custom attributes in all versions up to, and including, 2.3.3 due to insufficient input sanitization and output escaping. This makes it possible for contributors and above to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Weakness: CWE-79

Which versions are affected by CVE-2023-6747?

It affects 1 product.

Products include Fooplugins Foogallery.

How do I fix CVE-2023-6747?

No fix has been published for CVE-2023-6747 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-2023-6747 being exploited?

There is no known exploitation of CVE-2023-6747 in the wild and no public exploit code.

Sources

Also known as CVE-2023-6752, GHSA-v4r8-6m3f-gvv4.

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