CVE-2021-25093 Link Library < 7.2.8 - Unauthenticated Arbitrary Links Deletion

Q: What is CVE-2021-25093?

CVE-2021-25093 is a high-severity missing authorization vulnerability in Unknown Link Library, published on 1 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Q: Is CVE-2021-25093 being exploited?

There is no known exploitation of CVE-2021-25093 in the wild and no public exploit code.

Q: How do I fix CVE-2021-25093?

No fix has been published for CVE-2021-25093 yet. Limit exposure of the affected software until one is available.

High 7.5 Published 1 Feb 2022 Updated 3 Aug 2024

Unauthenticated attackers can delete arbitrary links in the Link Library WordPress plugin due to missing authorization checks.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-25093?

CVE-2021-25093 is a high-severity missing authorization vulnerability in Unknown Link Library, published on 1 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Link Library WordPress plugin before 7.2.8 does not have authorisation in place when deleting links, allowing unauthenticated users to delete arbitrary links via a crafted request

Weakness: CWE-862

Which versions are affected by CVE-2021-25093?

It affects 1 product.

Products include Ylefebvre Link Library.

How do I fix CVE-2021-25093?

No fix has been published for CVE-2021-25093 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-2021-25093 being exploited?

There is no known exploitation of CVE-2021-25093 in the wild and no public exploit code.

Sources

Also known as GHSA-4j83-364h-wcgq.