IBM Lotus Notes 8.x before 8.5.3 FP4 Interim Fix 1 and 9.0 before Interim Fix 1 does not block APPLET elements in HTML e-mail, which allows remote attackers to bypass intended restrictions on Java code execution and X-Confirm-Reading-To functionality via a crafted message, aka SPRs JMOY95BLM6 and JMOY95BN49.