Cross-site scripting (XSS) vulnerability in vBulletin 3.7.2 PL1 and 3.6.10 PL3, when "Show New Private Message Notification Pop-Up" is enabled, allows remote authenticated users to inject arbitrary web script or HTML via a private message subject (aka newpm[title]).
AV:N/AC:M/Au:N/C:N/I:P/A:N
This vulnerability has a 3.77% probability of being exploited in the next 30 days, ranking higher than 90% of all scored CVEs.