CVE-2022-3983 Checkout for PayPal < 1.0.14 - Contributor+ Stored XSS

Medium 5.4 Published Updated

Contributors can inject malicious scripts via unescaped shortcode attributes in the Checkout for PayPal plugin, leading to stored XSS.

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-2022-3983?

CVE-2022-3983 is a medium-severity cross-site scripting vulnerability in Unknown Checkout for PayPal, published on 19 Dec 2022. 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 Checkout for PayPal WordPress plugin before 1.0.14 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks

Which versions are affected by CVE-2022-3983?

It affects 1 product.

Products include Noorsplugin Checkout for Paypal.

How do I fix CVE-2022-3983?

No fix has been published for CVE-2022-3983 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-2022-3983 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-3983 exists.

Sources

Also known as GHSA-qrw5-qx4c-jfc7.

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