CVE-2021-24443 Youzify < 1.0.7 - Stored Cross-Site Scripting via Biography

Q: What is CVE-2021-24443?

CVE-2021-24443 is a medium-severity cross-site scripting vulnerability in Unknown Youzify – BuddyPress Community, User Profile, Social Network & Membership Plugin for WordPress, published on 2 Aug 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Q: Is CVE-2021-24443 being exploited?

There is no known exploitation of CVE-2021-24443 in the wild and no public exploit code.

Q: How do I fix CVE-2021-24443?

No fix has been published for CVE-2021-24443 yet. Limit exposure of the affected software until one is available.

Medium 5.4 Published 2 Aug 2021 Updated 3 Aug 2024

Authenticated users can inject scripts into the biography field, potentially allowing attackers to hijack admin accounts by tricking them into viewing the profile.

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-2021-24443?

CVE-2021-24443 is a medium-severity cross-site scripting vulnerability in Unknown Youzify – BuddyPress Community, User Profile, Social Network & Membership Plugin for WordPress, published on 2 Aug 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 About Me widget of the Youzify – BuddyPress Community, User Profile, Social Network & Membership WordPress plugin before 1.0.7 does not properly sanitise its Biography field, allowing any authenticated user to set Cross-Site Scripting payloads in it, which will be executed when viewing the affected user profile. This could allow a low privilege user to gain unauthorised access to the admin side of the blog by targeting an admin, inducing them to view their profile with a malicious payload adding a rogue account for example.

Weakness: CWE-79

Which versions are affected by CVE-2021-24443?

It affects 1 product.

Products include Kainelabs Youzify.

How do I fix CVE-2021-24443?

No fix has been published for CVE-2021-24443 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-2021-24443 being exploited?

There is no known exploitation of CVE-2021-24443 in the wild and no public exploit code.

Sources

Also known as GHSA-w5vh-q269-m424.