CVE-2021-24355 Simple 301 Redirects by BetterLinks - 2.0.0 – 2.0.3 - Update and Retrieve Wildcard Value

Medium 4.3 Published 14 Jun 2021 Updated 3 Aug 2024

Authenticated users can retrieve and update wildcard redirect values due to missing capability checks in the Simple 301 Redirects WordPress plugin.

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-2021-24355?

CVE-2021-24355 is a medium-severity missing authorization vulnerability in Unknown Simple 301 Redirects by BetterLinks, published on 14 Jun 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

In the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4, the lack of capability checks and insufficient nonce check on the AJAX actions, simple301redirects/admin/get_wildcard and simple301redirects/admin/wildcard, made it possible for authenticated users to retrieve and update the wildcard value for redirects.

Weakness: CWE-862

Which versions are affected by CVE-2021-24355?

It affects 1 product.

Products include Wpdeveloper Simple 301 Redirects.

How do I fix CVE-2021-24355?

No fix has been published for CVE-2021-24355 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2021-24355 being exploited?

There is no known exploitation of CVE-2021-24355 in the wild and no public exploit code.

Sources

Also known as GHSA-x56p-hv7c-cxvx.