diff --git a/phpBB/adm/style/acp_jabber.html b/phpBB/adm/style/acp_jabber.html
index 4d0b1b0d97..9246987f1f 100644
--- a/phpBB/adm/style/acp_jabber.html
+++ b/phpBB/adm/style/acp_jabber.html
@@ -39,7 +39,7 @@
 </dl>
 <dl>
 	<dt><label for="jab_password">{L_JAB_PASSWORD}{L_COLON}</label><br /><span>{L_JAB_PASSWORD_EXPLAIN}</span></dt>
-	<dd><input type="password" id="jab_password" name="jab_password" value="{JAB_PASSWORD}" /></dd>
+	<dd><input type="password" id="jab_password" name="jab_password" value="{JAB_PASSWORD}" autocomplete="off" /></dd>
 </dl>
 <!-- IF S_CAN_USE_SSL -->
 <dl>
diff --git a/phpBB/styles/prosilver/template/index_body.html b/phpBB/styles/prosilver/template/index_body.html
index 5ac2d2aca3..ec5bf35476 100644
--- a/phpBB/styles/prosilver/template/index_body.html
+++ b/phpBB/styles/prosilver/template/index_body.html
@@ -20,7 +20,7 @@
 	<h3><a href="{U_LOGIN_LOGOUT}">{L_LOGIN_LOGOUT}</a><!-- IF S_REGISTER_ENABLED -->&nbsp; &bull; &nbsp;<a href="{U_REGISTER}">{L_REGISTER}</a><!-- ENDIF --></h3>
 		<fieldset class="quick-login">
 			<label for="username"><span>{L_USERNAME}{L_COLON}</span> <input type="text" tabindex="1" name="username" id="username" size="10" class="inputbox" title="{L_USERNAME}" /></label>
-			<label for="password"><span>{L_PASSWORD}{L_COLON}</span> <input type="password" tabindex="2" name="password" id="password" size="10" class="inputbox" title="{L_PASSWORD}" /></label>
+			<label for="password"><span>{L_PASSWORD}{L_COLON}</span> <input type="password" tabindex="2" name="password" id="password" size="10" class="inputbox" title="{L_PASSWORD}" autocomplete="off" /></label>
 			<!-- IF U_SEND_PASSWORD -->
 				<a href="{U_SEND_PASSWORD}">{L_FORGOT_PASS}</a>
 			<!-- ENDIF -->
diff --git a/phpBB/styles/prosilver/template/login_body.html b/phpBB/styles/prosilver/template/login_body.html
index c852ffd5f2..ef08035717 100644
--- a/phpBB/styles/prosilver/template/login_body.html
+++ b/phpBB/styles/prosilver/template/login_body.html
@@ -15,7 +15,7 @@
 		</dl>
 		<dl>
 			<dt><label for="{PASSWORD_CREDENTIAL}">{L_PASSWORD}{L_COLON}</label></dt>
-			<dd><input type="password" tabindex="2" id="{PASSWORD_CREDENTIAL}" name="{PASSWORD_CREDENTIAL}" size="25" class="inputbox autowidth" /></dd>
+			<dd><input type="password" tabindex="2" id="{PASSWORD_CREDENTIAL}" name="{PASSWORD_CREDENTIAL}" size="25" class="inputbox autowidth" autocomplete="off" /></dd>
 			<!-- IF S_DISPLAY_FULL_LOGIN and (U_SEND_PASSWORD or U_RESEND_ACTIVATION) -->
 				<!-- IF U_SEND_PASSWORD --><dd><a href="{U_SEND_PASSWORD}">{L_FORGOT_PASS}</a></dd><!-- ENDIF -->
 				<!-- IF U_RESEND_ACTIVATION --><dd><a href="{U_RESEND_ACTIVATION}">{L_RESEND_ACTIVATION}</a></dd><!-- ENDIF -->
diff --git a/phpBB/styles/prosilver/template/login_forum.html b/phpBB/styles/prosilver/template/login_forum.html
index 18a95c0a8f..7fa9736a96 100644
--- a/phpBB/styles/prosilver/template/login_forum.html
+++ b/phpBB/styles/prosilver/template/login_forum.html
@@ -22,7 +22,7 @@
 
 			<dl>
 				<dt><label for="password">{L_PASSWORD}{L_COLON}</label></dt>
-				<dd><input type="password" tabindex="1" id="password" name="password" size="25" class="inputbox narrow" /></dd>
+				<dd><input type="password" tabindex="1" id="password" name="password" size="25" class="inputbox narrow" autocomplete="off" /></dd>
 			</dl>
 			{S_LOGIN_REDIRECT}
 			<dl>
diff --git a/phpBB/styles/prosilver/template/ucp_login_link.html b/phpBB/styles/prosilver/template/ucp_login_link.html
index d3c6931ce3..be173318cb 100644
--- a/phpBB/styles/prosilver/template/ucp_login_link.html
+++ b/phpBB/styles/prosilver/template/ucp_login_link.html
@@ -36,7 +36,7 @@
 				</dl>
 				<dl>
 					<dt><label for="{PASSWORD_CREDENTIAL}">{L_PASSWORD}{L_COLON}</label></dt>
-					<dd><input type="password" tabindex="3" id="{PASSWORD_CREDENTIAL}" name="{PASSWORD_CREDENTIAL}" size="25" class="inputbox autowidth" /></dd>
+					<dd><input type="password" tabindex="3" id="{PASSWORD_CREDENTIAL}" name="{PASSWORD_CREDENTIAL}" size="25" class="inputbox autowidth" autocomplete="off" /></dd>
 				</dl>
 				<!-- IF CAPTCHA_TEMPLATE and S_CONFIRM_CODE -->
 					<!-- DEFINE $CAPTCHA_TAB_INDEX = 4 -->
diff --git a/phpBB/styles/prosilver/template/ucp_profile_reg_details.html b/phpBB/styles/prosilver/template/ucp_profile_reg_details.html
index 2642b7a419..462a7f8f20 100644
--- a/phpBB/styles/prosilver/template/ucp_profile_reg_details.html
+++ b/phpBB/styles/prosilver/template/ucp_profile_reg_details.html
@@ -19,16 +19,16 @@
 	</dl>
 	<dl>
 		<dt><label for="email">{L_EMAIL_ADDRESS}{L_COLON}</label></dt>
-		<dd><!-- IF S_CHANGE_EMAIL --><input type="email" name="email" id="email" maxlength="100" value="{EMAIL}" class="inputbox" title="{L_EMAIL_ADDRESS}" /><!-- ELSE --><strong>{EMAIL}</strong><!-- ENDIF --></dd>
+		<dd><!-- IF S_CHANGE_EMAIL --><input type="email" name="email" id="email" maxlength="100" value="{EMAIL}" class="inputbox" title="{L_EMAIL_ADDRESS}" autocomplete="off" /><!-- ELSE --><strong>{EMAIL}</strong><!-- ENDIF --></dd>
 	</dl>
 	<!-- IF S_CHANGE_PASSWORD -->
 		<dl>
 			<dt><label for="new_password">{L_NEW_PASSWORD}{L_COLON}</label><br /><span>{L_CHANGE_PASSWORD_EXPLAIN}</span></dt>
-			<dd><input type="password" name="new_password" id="new_password" maxlength="255" value="{NEW_PASSWORD}" class="inputbox" title="{L_CHANGE_PASSWORD}" /></dd>
+			<dd><input type="password" name="new_password" id="new_password" maxlength="255" value="{NEW_PASSWORD}" class="inputbox" title="{L_CHANGE_PASSWORD}" autocomplete="off" /></dd>
 		</dl>
 		<dl>
 			<dt><label for="password_confirm">{L_CONFIRM_PASSWORD}{L_COLON}</label><br /><span>{L_CONFIRM_PASSWORD_EXPLAIN}</span></dt>
-			<dd><input type="password" name="password_confirm" id="password_confirm" maxlength="255" value="{PASSWORD_CONFIRM}" class="inputbox" title="{L_CONFIRM_PASSWORD}" /></dd>
+			<dd><input type="password" name="password_confirm" id="password_confirm" maxlength="255" value="{PASSWORD_CONFIRM}" class="inputbox" title="{L_CONFIRM_PASSWORD}" autocomplete="off" /></dd>
 		</dl>
 	<!-- ENDIF -->
 	<!-- EVENT ucp_profile_register_details_after -->	
@@ -42,7 +42,7 @@
 	<fieldset>
 	<dl>
 		<dt><label for="cur_password">{L_CURRENT_PASSWORD}{L_COLON}</label><br /><span><!-- IF S_CHANGE_PASSWORD -->{L_CURRENT_CHANGE_PASSWORD_EXPLAIN}<!-- ELSE -->{L_CURRENT_PASSWORD_EXPLAIN}<!-- ENDIF --></span></dt>
-		<dd><input type="password" name="cur_password" id="cur_password" maxlength="255" value="{CUR_PASSWORD}" class="inputbox" title="{L_CURRENT_PASSWORD}" /></dd>
+		<dd><input type="password" name="cur_password" id="cur_password" maxlength="255" value="{CUR_PASSWORD}" class="inputbox" title="{L_CURRENT_PASSWORD}" autocomplete="off" /></dd>
 	</dl>
 	</fieldset>
 
diff --git a/phpBB/styles/prosilver/template/ucp_register.html b/phpBB/styles/prosilver/template/ucp_register.html
index 020f69cb26..fafd0cce00 100644
--- a/phpBB/styles/prosilver/template/ucp_register.html
+++ b/phpBB/styles/prosilver/template/ucp_register.html
@@ -33,15 +33,15 @@
 	</dl>
 	<dl>
 		<dt><label for="email">{L_EMAIL_ADDRESS}{L_COLON}</label></dt>
-		<dd><input type="email" tabindex="2" name="email" id="email" size="25" maxlength="100" value="{EMAIL}" class="inputbox autowidth" title="{L_EMAIL_ADDRESS}" /></dd>
+		<dd><input type="email" tabindex="2" name="email" id="email" size="25" maxlength="100" value="{EMAIL}" class="inputbox autowidth" title="{L_EMAIL_ADDRESS}" autocomplete="off" /></dd>
 	</dl>
 	<dl>
 		<dt><label for="new_password">{L_PASSWORD}{L_COLON}</label><br /><span>{L_PASSWORD_EXPLAIN}</span></dt>
-		<dd><input type="password" tabindex="4" name="new_password" id="new_password" size="25" value="{PASSWORD}" class="inputbox autowidth" title="{L_NEW_PASSWORD}" /></dd>
+		<dd><input type="password" tabindex="4" name="new_password" id="new_password" size="25" value="{PASSWORD}" class="inputbox autowidth" title="{L_NEW_PASSWORD}" autocomplete="off" /></dd>
 	</dl>
 	<dl>
 		<dt><label for="password_confirm">{L_CONFIRM_PASSWORD}{L_COLON}</label></dt>
-		<dd><input type="password"  tabindex="5" name="password_confirm" id="password_confirm" size="25" value="{PASSWORD_CONFIRM}" class="inputbox autowidth" title="{L_CONFIRM_PASSWORD}" /></dd>
+		<dd><input type="password"  tabindex="5" name="password_confirm" id="password_confirm" size="25" value="{PASSWORD_CONFIRM}" class="inputbox autowidth" title="{L_CONFIRM_PASSWORD}" autocomplete="off" /></dd>
 	</dl>
 
 	<!-- EVENT ucp_register_credentials_after -->
diff --git a/phpBB/styles/prosilver/template/viewforum_body.html b/phpBB/styles/prosilver/template/viewforum_body.html
index b1e9d1be2c..2679a2cd29 100644
--- a/phpBB/styles/prosilver/template/viewforum_body.html
+++ b/phpBB/styles/prosilver/template/viewforum_body.html
@@ -100,7 +100,7 @@
 				</dl>
 				<dl>
 					<dt><label for="password">{L_PASSWORD}{L_COLON}</label></dt>
-					<dd><input type="password" tabindex="2" id="password" name="password" size="25" class="inputbox autowidth" /></dd>
+					<dd><input type="password" tabindex="2" id="password" name="password" size="25" class="inputbox autowidth" autocomplete="off" /></dd>
 					<!-- IF S_AUTOLOGIN_ENABLED --><dd><label for="autologin"><input type="checkbox" name="autologin" id="autologin" tabindex="3" /> {L_LOG_ME_IN}</label></dd><!-- ENDIF -->
 					<dd><label for="viewonline"><input type="checkbox" name="viewonline" id="viewonline" tabindex="4" /> {L_HIDE_ME}</label></dd>
 				</dl>
diff --git a/phpBB/styles/subsilver2/template/index_body.html b/phpBB/styles/subsilver2/template/index_body.html
index bfc2229221..c0a8d5fd57 100644
--- a/phpBB/styles/subsilver2/template/index_body.html
+++ b/phpBB/styles/subsilver2/template/index_body.html
@@ -116,7 +116,7 @@
 		<td class="cat"><h4><a href="{U_LOGIN_LOGOUT}">{L_LOGIN_LOGOUT}</a></h4></td>
 	</tr>
 	<tr>
-		<td class="row1" align="center"><span class="genmed">{L_USERNAME}{L_COLON}</span> <input class="post" type="text" name="username" size="10" />&nbsp; <span class="genmed">{L_PASSWORD}{L_COLON}</span> <input class="post" type="password" name="password" size="10" />&nbsp; <!-- IF U_SEND_PASSWORD --><a href="{U_SEND_PASSWORD}">{L_FORGOT_PASS}</a>&nbsp; <!-- ENDIF --> <!-- IF S_AUTOLOGIN_ENABLED --> <span class="gensmall">{L_LOG_ME_IN}</span> <input type="checkbox" class="radio" name="autologin" /><!-- ENDIF -->&nbsp; <input type="submit" class="btnmain" name="login" value="{L_LOGIN}" /></td>
+		<td class="row1" align="center"><span class="genmed">{L_USERNAME}{L_COLON}</span> <input class="post" type="text" name="username" size="10" />&nbsp; <span class="genmed">{L_PASSWORD}{L_COLON}</span> <input class="post" type="password" name="password" size="10" autocomplete="off" />&nbsp; <!-- IF U_SEND_PASSWORD --><a href="{U_SEND_PASSWORD}">{L_FORGOT_PASS}</a>&nbsp; <!-- ENDIF --> <!-- IF S_AUTOLOGIN_ENABLED --> <span class="gensmall">{L_LOG_ME_IN}</span> <input type="checkbox" class="radio" name="autologin" /><!-- ENDIF -->&nbsp; <input type="submit" class="btnmain" name="login" value="{L_LOGIN}" /></td>
 	</tr>
 	</table>
 	{S_LOGIN_REDIRECT}
diff --git a/phpBB/styles/subsilver2/template/login_body.html b/phpBB/styles/subsilver2/template/login_body.html
index ed63e748cf..1067f3738d 100644
--- a/phpBB/styles/subsilver2/template/login_body.html
+++ b/phpBB/styles/subsilver2/template/login_body.html
@@ -44,7 +44,7 @@
 		<tr>
 			<td valign="top" <!-- IF S_ADMIN_AUTH -->style="width: 50%; text-align: {S_CONTENT_FLOW_END};"<!-- ENDIF -->><b class="gensmall">{L_PASSWORD}{L_COLON}</b></td>
 			<td>
-				<input class="post" type="password" name="{PASSWORD_CREDENTIAL}" size="25" tabindex="2" />
+				<input class="post" type="password" name="{PASSWORD_CREDENTIAL}" size="25" tabindex="2" autocomplete="off" />
 				<!-- IF U_SEND_PASSWORD --><br /><a class="gensmall" href="{U_SEND_PASSWORD}">{L_FORGOT_PASS}</a><!-- ENDIF -->
 				<!-- IF U_RESEND_ACTIVATION and not S_ADMIN_AUTH --><br /><a class="gensmall" href="{U_RESEND_ACTIVATION}">{L_RESEND_ACTIVATION}</a><!-- ENDIF -->
 			</td>
diff --git a/phpBB/styles/subsilver2/template/login_forum.html b/phpBB/styles/subsilver2/template/login_forum.html
index 9a141fc295..2cda9f3452 100644
--- a/phpBB/styles/subsilver2/template/login_forum.html
+++ b/phpBB/styles/subsilver2/template/login_forum.html
@@ -30,7 +30,7 @@
 			<!-- ENDIF -->
 			<tr> 
 				<td class="gensmall"><b>{L_PASSWORD}{L_COLON}</b></td>
-				<td><input class="post" type="password" name="password" size="25" tabindex="2" /></td>
+				<td><input class="post" type="password" name="password" size="25" tabindex="2" autocomplete="off" /></td>
 			</tr>
 			</table>
 		</td>
diff --git a/phpBB/styles/subsilver2/template/ucp_login_link.html b/phpBB/styles/subsilver2/template/ucp_login_link.html
index 5d8e3ee27b..6db9890d8c 100644
--- a/phpBB/styles/subsilver2/template/ucp_login_link.html
+++ b/phpBB/styles/subsilver2/template/ucp_login_link.html
@@ -52,7 +52,7 @@
 
 					<tr>
 						<td><label for="{PASSWORD_CREDENTIAL}">{L_PASSWORD}{L_COLON}</label></td>
-						<td><input type="password" tabindex="3" id="{PASSWORD_CREDENTIAL}" name="{PASSWORD_CREDENTIAL}" size="25" class="inputbox autowidth" /></td>
+						<td><input type="password" tabindex="3" id="{PASSWORD_CREDENTIAL}" name="{PASSWORD_CREDENTIAL}" size="25" class="inputbox autowidth" autocomplete="off" /></td>
 					</tr>
 
 					<!-- IF CAPTCHA_TEMPLATE and S_CONFIRM_CODE -->
diff --git a/phpBB/styles/subsilver2/template/ucp_profile_reg_details.html b/phpBB/styles/subsilver2/template/ucp_profile_reg_details.html
index 090d729326..862956a1d0 100644
--- a/phpBB/styles/subsilver2/template/ucp_profile_reg_details.html
+++ b/phpBB/styles/subsilver2/template/ucp_profile_reg_details.html
@@ -21,16 +21,16 @@
 </tr>
 <tr>
 	<td class="row1" width="35%"><b class="genmed">{L_EMAIL_ADDRESS}{L_COLON} </b></td>
-	<td class="row2"><!-- IF S_CHANGE_EMAIL --><input type="email" class="post" name="email" size="30" maxlength="100" value="{EMAIL}" /><!-- ELSE --><b class="gen">{EMAIL}</b><!-- ENDIF --></td>
+	<td class="row2"><!-- IF S_CHANGE_EMAIL --><input type="email" class="post" name="email" size="30" maxlength="100" value="{EMAIL}" autocomplete="off" /><!-- ELSE --><b class="gen">{EMAIL}</b><!-- ENDIF --></td>
 </tr>
 <!-- IF S_CHANGE_PASSWORD -->
 	<tr>
 		<td class="row1" width="35%"><b class="genmed">{L_NEW_PASSWORD}{L_COLON} </b><br /><span class="gensmall">{L_CHANGE_PASSWORD_EXPLAIN}</span></td>
-		<td class="row2"><input type="password" class="post" name="new_password" size="30" maxlength="255" value="{NEW_PASSWORD}" /></td>
+		<td class="row2"><input type="password" class="post" name="new_password" size="30" maxlength="255" value="{NEW_PASSWORD}" autocomplete="off" /></td>
 	</tr>
 	<tr>
 		<td class="row1" width="35%"><b class="genmed">{L_CONFIRM_PASSWORD}{L_COLON} </b><br /><span class="gensmall">{L_CONFIRM_PASSWORD_EXPLAIN}</span></td>
-		<td class="row2"><input type="password" class="post" name="password_confirm" size="30" maxlength="255" value="{PASSWORD_CONFIRM}" /></td>
+		<td class="row2"><input type="password" class="post" name="password_confirm" size="30" maxlength="255" value="{PASSWORD_CONFIRM}" autocomplete="off" /></td>
 	</tr>
 <!-- ENDIF -->
 <!-- EVENT ucp_profile_register_details_after -->
@@ -39,7 +39,7 @@
 </tr>
 <tr>
 	<td class="row1" width="35%"><b class="genmed">{L_CURRENT_PASSWORD}{L_COLON} </b><br /><span class="gensmall"><!-- IF S_CHANGE_PASSWORD -->{L_CURRENT_CHANGE_PASSWORD_EXPLAIN}<!-- ELSE -->{L_CURRENT_PASSWORD_EXPLAIN}<!-- ENDIF --></span></td>
-	<td class="row2"><input type="password" class="post" name="cur_password" size="30" maxlength="255" value="{CUR_PASSWORD}" /></td>
+	<td class="row2"><input type="password" class="post" name="cur_password" size="30" maxlength="255" value="{CUR_PASSWORD}" autocomplete="off" /></td>
 </tr>
 <tr>
 	<td class="cat" colspan="2" align="center">{S_HIDDEN_FIELDS}<input class="btnmain" type="submit" name="submit" value="{L_SUBMIT}" />&nbsp;&nbsp;<input class="btnlite" type="reset" value="{L_RESET}" name="reset" /></td>
diff --git a/phpBB/styles/subsilver2/template/ucp_register.html b/phpBB/styles/subsilver2/template/ucp_register.html
index 162fa2a020..9b9e164df4 100644
--- a/phpBB/styles/subsilver2/template/ucp_register.html
+++ b/phpBB/styles/subsilver2/template/ucp_register.html
@@ -41,15 +41,15 @@
 </tr>
 <tr>
 	<td class="row1"><b class="genmed">{L_EMAIL_ADDRESS}{L_COLON} </b></td>
-	<td class="row2"><input class="post" type="email" name="email" size="25" maxlength="100" value="{EMAIL}" /></td>
+	<td class="row2"><input class="post" type="email" name="email" size="25" maxlength="100" value="{EMAIL}" autocomplete="off" /></td>
 </tr>
 <tr>
 	<td class="row1"><b class="genmed">{L_PASSWORD}{L_COLON} </b><br /><span class="gensmall">{L_PASSWORD_EXPLAIN}</span></td>
-	<td class="row2"><input class="post" type="password" name="new_password" size="25" value="{PASSWORD}" /></td>
+	<td class="row2"><input class="post" type="password" name="new_password" size="25" value="{PASSWORD}" autocomplete="off" /></td>
 </tr>
 <tr>
 	<td class="row1"><b class="genmed">{L_CONFIRM_PASSWORD}{L_COLON} </b></td>
-	<td class="row2"><input class="post" type="password" name="password_confirm" size="25" value="{PASSWORD_CONFIRM}" /></td>
+	<td class="row2"><input class="post" type="password" name="password_confirm" size="25" value="{PASSWORD_CONFIRM}" autocomplete="off" /></td>
 </tr>
 <!-- EVENT ucp_register_credentials_after -->
 <!-- EVENT ucp_register_options_before -->
diff --git a/phpBB/styles/subsilver2/template/viewforum_body.html b/phpBB/styles/subsilver2/template/viewforum_body.html
index 906fdd7c63..83b01b9f6d 100644
--- a/phpBB/styles/subsilver2/template/viewforum_body.html
+++ b/phpBB/styles/subsilver2/template/viewforum_body.html
@@ -137,7 +137,7 @@
 			<td class="cat"><h4><a href="{U_LOGIN_LOGOUT}">{L_LOGIN_LOGOUT}</a></h4></td>
 		</tr>
 		<tr>
-			<td class="row1" align="center"><span class="genmed">{L_USERNAME}{L_COLON}</span> <input class="post" type="text" name="username" size="10" />&nbsp; <span class="genmed">{L_PASSWORD}{L_COLON}</span> <input class="post" type="password" name="password" size="10" /><!-- IF S_AUTOLOGIN_ENABLED -->&nbsp; <span class="gensmall">{L_LOG_ME_IN}</span> <input type="checkbox" class="radio" name="autologin" /><!-- ENDIF -->&nbsp; <input type="submit" class="btnmain" name="login" value="{L_LOGIN}" /></td>
+			<td class="row1" align="center"><span class="genmed">{L_USERNAME}{L_COLON}</span> <input class="post" type="text" name="username" size="10" />&nbsp; <span class="genmed">{L_PASSWORD}{L_COLON}</span> <input class="post" type="password" name="password" size="10" autocomplete="off" /><!-- IF S_AUTOLOGIN_ENABLED -->&nbsp; <span class="gensmall">{L_LOG_ME_IN}</span> <input type="checkbox" class="radio" name="autologin" /><!-- ENDIF -->&nbsp; <input type="submit" class="btnmain" name="login" value="{L_LOGIN}" /></td>
 		</tr>
 		</table>
 		{S_LOGIN_REDIRECT}