CVE-2007-2821 SQL injection in n/a

What is CVE-2007-2821?

CVE-2007-2821 is a high-severity SQL injection vulnerability in Wordpress Wordpress, published on 22 May 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

SQL injection vulnerability in wp-admin/admin-ajax.php in WordPress before 2.2 allows remote attackers to execute arbitrary SQL commands via the cookie parameter.

Which versions are affected by CVE-2007-2821?

It affects 1 product.

Products include Wordpress Wordpress.

How do I fix CVE-2007-2821?

Upgrade to a fixed version.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2007-2821 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2007-2821 exists.

Public exploit code: 1 Exploit-DB entry.

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-2007-2821, GHSA-v43p-v75m-q643.