CVE-2008-4106 Business logic in n/a

What is CVE-2008-4106?

CVE-2008-4106 is a medium-severity vulnerability in Wordpress Wordpress, published on 18 Sep 2008. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

WordPress before 2.6.2 does not properly handle MySQL warnings about insertion of username strings that exceed the maximum column width of the user_login column, and does not properly handle space characters when comparing usernames, which allows remote attackers to change an arbitrary user's password to a random value by registering a similar username and then requesting a password reset, related to a "SQL column truncation vulnerability." NOTE: the attacker can discover the random password by also exploiting CVE-2008-4107.

Weakness: CWE-20

Which versions are affected by CVE-2008-4106?

It affects 1 product.

Products include Wordpress Wordpress.

How do I fix CVE-2008-4106?

Upgrade to a fixed version.

Is CVE-2008-4106 being exploited?

There is no known exploitation of CVE-2008-4106 in the wild and no public exploit code.

Other vulnerabilities in Wordpress Wordpress

• CVE-2026-63030 WordPress Core Interpretation Conflict Exploited Critical 9.8
• CVE-2026-87902 WordPress Core Remote File Inclusion Exploited High 8.1
• CVE-2026-60137 WordPress Core SQL Injection Exploited Medium 5.9
• CVE-2012-2399 Cross-site scripting in n/a Critical 10.0
• CVE-2012-2400 Other in n/a Critical 10.0

All Wordpress Wordpress vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2008-4106, GHSA-gg7f-mrmc-j93p.