com_categories in Joomla! before 1.0.12 does not validate input, which has unknown impact and remote attack vectors.
http://www.vupen.com/english/advisories/2006/5202
http://www.securityfocus.com/bid/21810
http://www.joomla.org/content/view/2495/78/
http://secunia.com/advisories/23563
http://jvn.jp/jp/JVN%2345006961/index.html
Source: Mitre, NVD
Published: 2006-12-31
Updated: 2011-03-08
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical