CVE-2021-38344 Brizy <= 2.3.11 Authenticated Stored Cross-Site Scripting
Authenticated users can inject malicious JavaScript into pages via the Brizy Page Builder plugin, leading to script execution in other users' sessions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-38344?
CVE-2021-38344 is a medium-severity cross-site scripting vulnerability in Brizy.io Brizy - Page Builder, published on 14 Oct 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Brizy Page Builder plugin <= 2.3.11 for WordPress was vulnerable to stored XSS by lower-privileged users such as a subscribers. It was possible to add malicious JavaScript to a page by modifying the request sent to update the page via the brizy_update_item AJAX action and adding JavaScript to the data parameter, which would be executed in the session of any visitor viewing or previewing the post or page.
Weakness: CWE-79
Which versions are affected by CVE-2021-38344?
It affects 1 product.
Products include Brizy Brizy-Page Builder.
How do I fix CVE-2021-38344?
No fix has been published for CVE-2021-38344 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-2021-38344 being exploited?
There is no known exploitation of CVE-2021-38344 in the wild and no public exploit code.
Other vulnerabilities in Brizy.io Brizy - Page Builder
Sources
Also known as GHSA-f84h-684p-rggr.