CVE-2021-24415 Polo Video Gallery <= 1.2 - Contributor+ Stored Cross-Site Scripting

Medium 5.4 Published Updated

Contributors can inject malicious scripts via shortcode parameters in the Polo Video Gallery plugin, leading to stored XSS attacks on viewing pages.

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-2021-24415?

CVE-2021-24415 is a medium-severity cross-site scripting vulnerability in Unknown Polo Video Gallery – Best wordpress video gallery plugin, published on 18 Oct 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

The Polo Video Gallery – Best wordpress video gallery plugin WordPress plugin through 1.2 does not sanitise or validate the parameters from its shortcode, allowing users with a role as low as contributor to set Cross-Site Scripting payload in them which will be triggered in the page/s with the embed malicious shortcode

Weakness: CWE-79

Which versions are affected by CVE-2021-24415?

It affects 1 product.

Products include Bplugins Polo Video Gallery.

How do I fix CVE-2021-24415?

No fix has been published for CVE-2021-24415 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-2021-24415 being exploited?

There is no known exploitation of CVE-2021-24415 in the wild and no public exploit code.

Sources

Also known as GHSA-3cv4-wq55-4fr6.

Is CVE-2021-24415 in your software?

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