Today, we are releasing XenForo 1.2.8 to address two potential security vulnerabilities. We recommend that all customers running XenForo 1.2 or earlier upgrade to 1.2.8 or use the attached patch file as soon as possible.The two issues are XSS vulnerabilities. XSS (Cross Site Scripting) issues allow scripts and malicious HTML to be injected into the page, potentially allowing data theft or unauthenticated access.In the notices system, the name token was not escaped as expected. This could allow specially crafted requests to trigger an XSS for guests (or for a registered user to trigger an XSS on themselves).
In the filter list system in the admin control panel, dynamic highlighting when filtering did not escape output properly...