SECUNIA ADVISORY ID: SA48683 VERIFY ADVISORY: Secunia.com http://secunia.com/advisories/48683/ Customer Area (Credentials Required) https://ca.secunia.com/?page=viewadvisory&vuln_id=48683 RELEASE DATE: 2012-04-03DESCRIPTION: A security issue and a vulnerability have been reported in Joomla!, which can be exploited by malicious people to disclose potentially sensitive information and conduct cross-site scripting attacks. 1) An error related to insufficient permission checking can be exploited to disclose certain information from the administration backend. 2) Certain input passed via the update manager is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site. The security issue and vulnerability are reported in versions prior to 2.5.4. SOLUTION: Update to version 2.5.4. PROVIDED AND/OR DISCOVERED BY: The vendor credits: 1) Cyrille Barthelemy. 2) Alex Andreae. ORIGINAL ADVISORY: http://www.joomla.org/announcements/release-news/5418-joomla-254-released.html http://developer.joomla.org/security/news/399-20120308-core-xss-vulnerability http://developer.joomla.org/security/news/9-security/10-core-security/397-20120306-core-information-disclosure