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CVE-2023-50889 WordPress Beaver Builder Plugin <= 2.7.2 is vulnerable to Cross Site Scripting (XSS)

Medium 6.5 Published Updated

Stored XSS in Beaver Builder allows attackers to inject malicious scripts, potentially leading to session hijacking or site defacement.

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-2023-50889?

CVE-2023-50889 is a medium-severity cross-site scripting vulnerability in The Beaver Builder Team Beaver Builder – WordPress Page Builder, published on 29 Dec 2023. 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 The Beaver Builder Team Beaver Builder – WordPress Page Builder allows Stored XSS.This issue affects Beaver Builder – WordPress Page Builder: from n/a through 2.7.2.

Weakness: CWE-79

Which versions are affected by CVE-2023-50889?

It affects 1 product.

Products include Fastlinemedia Beaver Builder.

How do I fix CVE-2023-50889?

No fix has been published for CVE-2023-50889 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-2023-50889 being exploited?

There is no known exploitation of CVE-2023-50889 in the wild and no public exploit code.

Sources

Also known as GHSA-xfmh-hq5h-g7mp.

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