SQL Injection in Joomla Joomla\!

CVE-2009-4550

SQL injection vulnerability in the Kunena Forum (com_kunena) component 1.5.3 and 1.5.4 for Joomla! allows remote attackers to execute arbitrary SQL commands via the func parameter to index.php.

Vulnerability class: SQL Injection

Published 2010-01-04 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.010 (60.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Joomla Joomla\!
Kunena Forum — versions 1.5.3, 1.5.4

Weakness classification (CWE)

CWE-89 — SQL Injection

References

www.exploit-db.com/exploits/9408 (exploit)
www.securityfocus.com/bid/36020 (Exploit, vdb-entry)
secunia.com/advisories/36245 (Vendor Advisory, third-party-advisory)