diff --git a/SignalMessaging/attachments/SharingThreadPickerViewController.m b/SignalMessaging/attachments/SharingThreadPickerViewController.m
index 44e71d9cf..1edce5f64 100644
--- a/SignalMessaging/attachments/SharingThreadPickerViewController.m
+++ b/SignalMessaging/attachments/SharingThreadPickerViewController.m
@@ -138,7 +138,7 @@ typedef void (^SendMessageBlock)(SendCompletionBlock completion);
     OWSAssert(data.length < kOversizeTextMessageSizeThreshold);
     NSString *_Nullable messageText = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
     DDLogVerbose(@"%@ messageTextForAttachment: %@", self.logTag, messageText);
-    return messageText;
+    return [messageText filterStringForDisplay];
 }
 
 - (void)threadWasSelected:(TSThread *)thread
diff --git a/SignalMessaging/profiles/OWSUserProfile.m b/SignalMessaging/profiles/OWSUserProfile.m
index 7333246ce..5bcf35de0 100644
--- a/SignalMessaging/profiles/OWSUserProfile.m
+++ b/SignalMessaging/profiles/OWSUserProfile.m
@@ -37,6 +37,7 @@ NSString *const kLocalProfileUniqueId = @"kLocalProfileUniqueId";
 @implementation OWSUserProfile
 
 @synthesize avatarUrlPath = _avatarUrlPath;
+@synthesize profileName = _profileName;
 
 + (NSString *)collection
 {
@@ -333,6 +334,22 @@ NSString *const kLocalProfileUniqueId = @"kLocalProfileUniqueId";
                      self.avatarFileName];
 }
 
+- (nullable NSString *)profileName
+{
+    @synchronized(self)
+    {
+        return _profileName.filterStringForDisplay;
+    }
+}
+
+- (void)setProfileName:(nullable NSString *)profileName
+{
+    @synchronized(self)
+    {
+        _profileName = profileName.filterStringForDisplay;
+    }
+}
+
 @end
 
 NS_ASSUME_NONNULL_END
diff --git a/SignalServiceKit/src/Util/DataSource.m b/SignalServiceKit/src/Util/DataSource.m
index 9ea7130ce..c32bd7a3a 100755
--- a/SignalServiceKit/src/Util/DataSource.m
+++ b/SignalServiceKit/src/Util/DataSource.m
@@ -78,6 +78,11 @@ NS_ASSUME_NONNULL_BEGIN
     return [data ows_isValidImage];
 }
 
+- (void)setSourceFilename:(nullable NSString *)sourceFilename
+{
+    _sourceFilename = sourceFilename.filterStringForDisplay;
+}
+
 @end
 
 #pragma mark -
diff --git a/SignalShareExtension/ShareViewController.swift b/SignalShareExtension/ShareViewController.swift
index f93c47b41..a188e70ed 100644
--- a/SignalShareExtension/ShareViewController.swift
+++ b/SignalShareExtension/ShareViewController.swift
@@ -638,7 +638,7 @@ public class ShareViewController: UIViewController, ShareViewDelegate, SAEFailed
                 fulfill((itemUrl: fileUrl, utiType: srcUtiType))
             } else if let string = value as? String {
                 Logger.debug("\(strongSelf.logTag) string provider: \(string)")
-                guard let data = string.data(using: String.Encoding.utf8) else {
+                guard let data = string.filterStringForDisplay().data(using: String.Encoding.utf8) else {
                     let writeError = ShareViewControllerError.assertionError(description: "Error writing item data: \(String(describing: error))")
                     reject(writeError)
                     return