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CVE-2022-2823 Slider, Gallery, and Carousel by MetaSlider < 3.27.9 - Admin+ Stored Cross Site Scripting

Medium 4.8 Published Updated

Admin users can inject malicious scripts via gallery parameters, leading to stored XSS attacks in WordPress environments.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2022-2823?

CVE-2022-2823 is a medium-severity cross-site scripting vulnerability in Unknown Slider, Gallery, and Carousel by MetaSlider – Responsive WordPress Plugin, published on 10 Oct 2022. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

The Slider, Gallery, and Carousel by MetaSlider WordPress plugin before 3.27.9 does not sanitise and escape some of its Gallery Image parameters, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

Weakness: CWE-79

Which versions are affected by CVE-2022-2823?

It affects 1 product.

Products include Metaslider Slider\, Gallery\, and Carousel.

How do I fix CVE-2022-2823?

No fix has been published for CVE-2022-2823 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-2022-2823 being exploited?

There is no known exploitation of CVE-2022-2823 in the wild and no public exploit code.

Sources

Also known as GHSA-jwq4-3rxm-96c4.

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