CVE-2021-42547 reflected XSS in search functionality of WP Cloud Plugins - Out-of-the-Box

Medium 4.7 Published Updated

Unauthenticated attackers can execute arbitrary scripts via reflected XSS in the search functionality of the Out-of-the-Box WordPress plugin.

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

What is CVE-2021-42547?

CVE-2021-42547 is a medium-severity cross-site scripting vulnerability in WP Cloud Plugins Out-of-the-Box, published on 13 Dec 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Insufficient Input Validation in the search functionality of Wordpress plugin Out-of-the-Box prior to 1.20.3 allows unauthenticated user to craft a reflected Cross-Site Scripting attack.

Weakness: CWE-79

Which versions are affected by CVE-2021-42547?

It affects 1 product.

Products include Wpcloudplugins Out-of-the-Box.

How do I fix CVE-2021-42547?

No fix has been published for CVE-2021-42547 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-2021-42547 being exploited?

There is no known exploitation of CVE-2021-42547 in the wild and no public exploit code.

Sources

Also known as GHSA-823p-4g73-2fv5.

Is CVE-2021-42547 in your software?

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