CVE-2021-4396 Rucy <= 0.4.4 - Cross-Site Request Forgery Bypass

Medium 4.3 Published Updated

Unauthenticated attackers can trick administrators into modifying post metadata via forged requests in the Rucy WordPress plugin.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2021-4396?

CVE-2021-4396 is a medium-severity vulnerability in gips-nita Rucy, published on 1 Jul 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The Rucy plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 0.4.4. This is due to missing or incorrect nonce validation on the save_rc_post_meta() function. This makes it possible for unauthenticated attackers to save post meta via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Weakness: CWE-352

Which versions are affected by CVE-2021-4396?

It affects 1 product.

Products include Rucy Project Rucy.

How do I fix CVE-2021-4396?

No fix has been published for CVE-2021-4396 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-4396 being exploited?

There is no known exploitation of CVE-2021-4396 in the wild and no public exploit code.

Sources

Also known as GHSA-mw6g-q4qw-f47f.

Is CVE-2021-4396 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free