CVE-2021-24240 Business Hours Pro <= 5.5.0 - Unauthenticated Arbitrary File Upload to RCE

Critical 9.8 Published Updated

Unauthenticated attackers can upload arbitrary files via the manual update feature, leading to remote code execution on WordPress sites using this plugin.

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-2021-24240?

CVE-2021-24240 is a critical vulnerability in Unknown Business Hours Pro, published on 22 Apr 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Business Hours Pro WordPress plugin through 5.5.0 allows a remote attacker to upload arbitrary files using its manual update functionality, leading to an unauthenticated remote code execution vulnerability.

Weakness: CWE-434

Which versions are affected by CVE-2021-24240?

It affects 1 product.

Products include Aivahthemes Business Hours Pro.

How do I fix CVE-2021-24240?

No fix has been published for CVE-2021-24240 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-24240 being exploited?

There is no known exploitation of CVE-2021-24240 in the wild and no public exploit code.

Sources

Also known as GHSA-mwhf-wq2w-263x.

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