Username Enumeration Vulnerability in WordPress by Automattic
CVE-2009-2336

Currently unrated

Key Information:

Vendor: Wordpress
Status: WordPress; WordPress Mu
Vendor: CVE Published:; 10 July 2009

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👾 Exploit Exists🟡 Public PoC

What is CVE-2009-2336?

An issue in WordPress and WordPress MU versions prior to 2.8.1 allows remote attackers to assess the existence of user accounts through inconsistent password request responses. This discrepancy means attackers can probe the system to discover valid usernames, potentially facilitating unauthorized access attempts. The vendor has downplayed the issue as a user convenience feature, but it presents a significant risk for user account integrity.

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Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2009-2336 - Proof of Concept