Censored words not being filtered in the topic hover preview tooltip is a bug (http://tracker.vbulletin.com/browse/VBV-13733) in v5.1.3 and earlier (as of this writing). See discussion of this bug at http://www.vbulletin.com/forum/forum/vbcloud/vbulletin-cloud-questions-problems-and-troubleshooting/4173300-censored-words-not-filtered-from-pop-up-text. This modification temporarily fixes the bug. This modification obeys the following Censorship Options in AdminCP: Censorship Enabled - If disabled, the mod will not apply the fix. Character to Replace Censored Words - The mod will use the replacement character specified. Censored Words - The mod will replace the censored words specified here with the replacement character.