CVE-2022-2939 WP Cerber Security <= 9.0 - User Enumeration Bypass

Medium 5.3 Published Updated

Unauthenticated attackers can bypass user enumeration protections in WP Cerber Security to gather user information for targeted attacks.

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-2022-2939?

CVE-2022-2939 is a medium-severity vulnerability in gioni WP Cerber Security, Anti-spam & Malware Scan, published on 6 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The WP Cerber Security plugin for WordPress is vulnerable to security protection bypass in versions up to, and including 9.0, that makes user enumeration possible. This is due to improper validation on the value supplied through the 'author' parameter found in the ~/cerber-load.php file. In vulnerable versions, the plugin only blocks requests if the value supplied is numeric, making it possible for attackers to supply additional non-numeric characters to bypass the protection. The non-numeric characters are stripped and the user requested is displayed. This can be used by unauthenticated attackers to gather information about users that can targeted in further attacks.

Weakness: CWE-200

Which versions are affected by CVE-2022-2939?

It affects 1 product.

Products include Cerber Wp Cerber Security\, Anti-Spam \& Malware Scan.

How do I fix CVE-2022-2939?

No fix has been published for CVE-2022-2939 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-2939 being exploited?

There is no known exploitation of CVE-2022-2939 in the wild and no public exploit code.

Sources

Also known as GHSA-qwvc-x8q6-x63v.

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