During testing of vBulletin 4.2.2 a potential xss exploit was found by our QA team in the Forum Runner application.
As a result we have fixed this issue in vB4.2.2 & are releasing PL updates for 4.2.1, 4.2.0 & 4.1.12.
vBulletin 4.2.1 PL1
vBulletin 4.2.0 PL4
vBulletin 4.1.12 PL4
Note...
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