Joomla! 2.5.x before 2.5.10 and 3.0.x before 3.0.4 allows remote authenticated users to bypass intended privilege requirements and list the privileges of arbitrary users via unspecified vectors.
Cross-site scripting (XSS) vulnerability in Joomla! 2.5.x before 2.5.10 and 3.0.x before 3.0.4 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
Cross-site scripting (XSS) vulnerability in the Voting plugin in Joomla! 2.5.x before 2.5.10 and 3.0.x before 3.0.4 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
plugins/system/highlight/highlight.php in Joomla! 3.0.x through 3.0.2 and 2.5.x through 2.5.8 allows attackers to unserialize arbitrary PHP objects to obtain sensitive information, delete arbitrary directories, conduct SQL injection attacks, and possibly have other impacts via the highlight parameter. Note: it was originally reported that this issue only allowed attackers to obtain sensitive information, but later analysis demonstrated that other attacks exist.
Cross-site scripting (XSS) vulnerability in the nBill (com_nbill) component 2.3.2 for Joomla! allows remote attackers to inject arbitrary web script or HTML via the message parameter in an income action to administrator/index.php.
Joomla! 1.5.x before 1.5.26 does not properly check permissions, which allows attackers to obtain sensitive "administrative back end information" via unknown vectors. NOTE: this might be a duplicate of CVE-2012-1611.