CVE-2022-3823 Beautiful Cookie Consent Banner < 2.9.1 - Admin+ Stored XSS

Medium 4.8 Published Updated

Admin users can inject malicious scripts via unsanitized settings in the Beautiful Cookie Consent Banner plugin, affecting multisite 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-2022-3823?

CVE-2022-3823 is a medium-severity cross-site scripting vulnerability in Unknown Beautiful Cookie Consent Banner, published on 28 Nov 2022. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

The Beautiful Cookie Consent Banner WordPress plugin before 2.9.1 does not sanitise and escape some of its settings, 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).

Which versions are affected by CVE-2022-3823?

It affects 1 product.

Products include Beautiful-Cookie-Banner Beautiful Cookie Consent Banner.

How do I fix CVE-2022-3823?

No fix has been published for CVE-2022-3823 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-2022-3823 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-3823 exists.

Sources

Also known as GHSA-4mqw-j6gr-pfr9.

Is CVE-2022-3823 in your software?

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