CVE-2021-36833 WordPress MC4WP plugin <= 4.8.6 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability
Authenticated administrators can inject malicious scripts into the MC4WP WordPress plugin, potentially compromising user sessions or site integrity.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-36833?
CVE-2021-36833 is a medium-severity cross-site scripting vulnerability in ibericode MC4WP: Mailchimp for WordPress, published on 20 May 2022. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Authenticated (admin or higher user role) Stored Cross-Site Scripting (XSS) vulnerability in ibericode's MC4WP plugin <= 4.8.6 at WordPress.
Weakness: CWE-79
Which versions are affected by CVE-2021-36833?
It affects 1 product.
Products include Ibericode Mailchimp for Wordpress.
How do I fix CVE-2021-36833?
No fix has been published for CVE-2021-36833 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-2021-36833 being exploited?
There is no known exploitation of CVE-2021-36833 in the wild and no public exploit code.
Other vulnerabilities in ibericode MC4WP: Mailchimp for WordPress
Sources
Also known as GHSA-xhfm-f7f9-cpx6.