diff --git a/src/Umbraco.Core/PropertyEditors/FileUploadConfiguration.cs b/src/Umbraco.Core/PropertyEditors/FileUploadConfiguration.cs
index b1531c6548c1..e7c9bf4e28bf 100644
--- a/src/Umbraco.Core/PropertyEditors/FileUploadConfiguration.cs
+++ b/src/Umbraco.Core/PropertyEditors/FileUploadConfiguration.cs
@@ -3,8 +3,8 @@ namespace Umbraco.Cms.Core.PropertyEditors;
 /// <summary>
 ///     Represents the configuration for the file upload address value editor.
 /// </summary>
-public class FileUploadConfiguration : IFileExtensionsConfig
+public class FileUploadConfiguration
 {
     [ConfigurationField("fileExtensions")]
-    public List<FileExtensionConfigItem> FileExtensions { get; set; } = new();
+    public IEnumerable<string> FileExtensions { get; set; } = Enumerable.Empty<string>();
 }
diff --git a/src/Umbraco.Core/PropertyEditors/IFileExtensionConfig.cs b/src/Umbraco.Core/PropertyEditors/IFileExtensionConfig.cs
deleted file mode 100644
index 611954395670..000000000000
--- a/src/Umbraco.Core/PropertyEditors/IFileExtensionConfig.cs
+++ /dev/null
@@ -1,9 +0,0 @@
-namespace Umbraco.Cms.Core.PropertyEditors;
-
-/// <summary>
-///     Marker interface for any editor configuration that supports defining file extensions
-/// </summary>
-public interface IFileExtensionsConfig
-{
-    List<FileExtensionConfigItem> FileExtensions { get; set; }
-}
diff --git a/src/Umbraco.Infrastructure/PropertyEditors/FileUploadPropertyValueEditor.cs b/src/Umbraco.Infrastructure/PropertyEditors/FileUploadPropertyValueEditor.cs
index bc28d6160484..8bf735f898b0 100644
--- a/src/Umbraco.Infrastructure/PropertyEditors/FileUploadPropertyValueEditor.cs
+++ b/src/Umbraco.Infrastructure/PropertyEditors/FileUploadPropertyValueEditor.cs
@@ -156,8 +156,8 @@ private bool IsAllowedInDataTypeConfiguration(string extension, object? dataType
         {
             // If FileExtensions is empty and no allowed extensions have been specified, we allow everything.
             // If there are any extensions specified, we need to check that the uploaded extension is one of them.
-            return fileUploadConfiguration.FileExtensions.IsCollectionEmpty() ||
-                   fileUploadConfiguration.FileExtensions.Any(x => x.Value?.InvariantEquals(extension) ?? false);
+            return fileUploadConfiguration.FileExtensions.Any() is false ||
+                   fileUploadConfiguration.FileExtensions.Contains(extension);
         }
 
         return false;
diff --git a/src/Umbraco.Infrastructure/PropertyEditors/RichTextEditorPastedImages.cs b/src/Umbraco.Infrastructure/PropertyEditors/RichTextEditorPastedImages.cs
index 544a8aafe27d..239d4652bb53 100644
--- a/src/Umbraco.Infrastructure/PropertyEditors/RichTextEditorPastedImages.cs
+++ b/src/Umbraco.Infrastructure/PropertyEditors/RichTextEditorPastedImages.cs
@@ -34,7 +34,6 @@ public sealed class RichTextEditorPastedImages
     private readonly IMediaImportService _mediaImportService;
     private readonly IImageUrlGenerator _imageUrlGenerator;
     private readonly IUserService _userService;
-    private readonly ContentSettings _contentSettings;
 
     [Obsolete("Please use the non-obsolete constructor. Will be removed in V16.")]
     public RichTextEditorPastedImages(
@@ -81,7 +80,7 @@ public RichTextEditorPastedImages(
         IMediaImportService mediaImportService,
         IImageUrlGenerator imageUrlGenerator,
         IOptions<ContentSettings> contentSettings)
-        : this(umbracoContextAccessor, publishedUrlProvider, temporaryFileService, scopeProvider, mediaImportService, imageUrlGenerator, contentSettings)
+        : this(umbracoContextAccessor, publishedUrlProvider, temporaryFileService, scopeProvider, mediaImportService, imageUrlGenerator)
     {
     }
 
@@ -91,8 +90,7 @@ public RichTextEditorPastedImages(
         ITemporaryFileService temporaryFileService,
         IScopeProvider scopeProvider,
         IMediaImportService mediaImportService,
-        IImageUrlGenerator imageUrlGenerator,
-        IOptions<ContentSettings> contentSettings)
+        IImageUrlGenerator imageUrlGenerator)
     {
         _umbracoContextAccessor =
             umbracoContextAccessor ?? throw new ArgumentNullException(nameof(umbracoContextAccessor));
@@ -101,27 +99,12 @@ public RichTextEditorPastedImages(
         _scopeProvider = scopeProvider;
         _mediaImportService = mediaImportService;
         _imageUrlGenerator = imageUrlGenerator;
-        _contentSettings = contentSettings.Value;
 
         // this obviously is not correct. however, we only use IUserService in an obsolete method,
         // so this is better than having even more obsolete constructors for V16
         _userService = StaticServiceProvider.Instance.GetRequiredService<IUserService>();
     }
 
-    /// <summary>
-    ///     Used by the RTE (and grid RTE) for converting inline base64 images to Media items.
-    /// </summary>
-    /// <param name="html">HTML from the Rich Text Editor property editor.</param>
-    /// <param name="mediaParentFolder"></param>
-    /// <param name="userId"></param>
-    /// <returns>Formatted HTML.</returns>
-    /// <exception cref="NotSupportedException">Thrown if image extension is not allowed</exception>
-    internal string FindAndPersistEmbeddedImages(string html, Guid mediaParentFolder, Guid userId)
-    {
-        // FIXME: the FindAndPersistEmbeddedImages implementation from #14546 must be ported to V14 and added here
-        return html;
-    }
-
     [Obsolete($"Please use {nameof(FindAndPersistPastedTempImagesAsync)}. Will be removed in V16.")]
     public string FindAndPersistPastedTempImages(string html, Guid mediaParentFolder, int userId, IImageUrlGenerator imageUrlGenerator)
         => FindAndPersistPastedTempImages(html, mediaParentFolder, userId);
@@ -179,7 +162,7 @@ public async Task<string> FindAndPersistPastedTempImagesAsync(string html, Guid
                 {
                     using Stream fileStream = temporaryFile.OpenReadStream();
                     Guid? parentFolderKey = mediaParentFolder == Guid.Empty ? Constants.System.RootKey : mediaParentFolder;
-                    IMedia mediaFile = await _mediaImportService.ImportAsync(temporaryFile.FileName, fileStream, parentFolderKey, Constants.Conventions.MediaTypes.Image, userKey);
+                    IMedia mediaFile = await _mediaImportService.ImportAsync(temporaryFile.FileName, fileStream, parentFolderKey, MediaTypeAlias(temporaryFile.FileName), userKey);
                     udi = mediaFile.GetUdi();
                 }
                 else
@@ -230,4 +213,9 @@ public async Task<string> FindAndPersistPastedTempImagesAsync(string html, Guid
 
         return htmlDoc.DocumentNode.OuterHtml;
     }
+
+    private string MediaTypeAlias(string fileName)
+        => fileName.InvariantEndsWith(".svg")
+            ? Constants.Conventions.MediaTypes.VectorGraphicsAlias
+            : Constants.Conventions.MediaTypes.Image;
 }
diff --git a/src/Umbraco.Infrastructure/PropertyEditors/RichTextPropertyEditor.cs b/src/Umbraco.Infrastructure/PropertyEditors/RichTextPropertyEditor.cs
index 006c273b563b..85b60fcad62b 100644
--- a/src/Umbraco.Infrastructure/PropertyEditors/RichTextPropertyEditor.cs
+++ b/src/Umbraco.Infrastructure/PropertyEditors/RichTextPropertyEditor.cs
@@ -222,10 +222,8 @@ public override IEnumerable<ITag> GetTags(object? value, object? dataTypeConfigu
                 return null;
             }
 
-            var parseAndSaveBase64Images = _pastedImages.FindAndPersistEmbeddedImages(
-                richTextEditorValue.Markup, mediaParentId, userKey);
             var parseAndSavedTempImages = _pastedImages
-                .FindAndPersistPastedTempImagesAsync(parseAndSaveBase64Images, mediaParentId, userKey)
+                .FindAndPersistPastedTempImagesAsync(richTextEditorValue.Markup, mediaParentId, userKey)
                 .GetAwaiter()
                 .GetResult();
             var editorValueWithMediaUrlsRemoved = _imageSourceParser.RemoveImageSources(parseAndSavedTempImages);
diff --git a/tests/Umbraco.Tests.Integration/Umbraco.Infrastructure/PropertyEditors/RichTextEditorPastedImagesTests.cs b/tests/Umbraco.Tests.Integration/Umbraco.Infrastructure/PropertyEditors/RichTextEditorPastedImagesTests.cs
new file mode 100644
index 000000000000..b965ded4968f
--- /dev/null
+++ b/tests/Umbraco.Tests.Integration/Umbraco.Infrastructure/PropertyEditors/RichTextEditorPastedImagesTests.cs
@@ -0,0 +1,176 @@
+using System.Text;
+using HtmlAgilityPack;
+using Microsoft.Extensions.DependencyInjection;
+using Moq;
+using NUnit.Framework;
+using Umbraco.Cms.Core;
+using Umbraco.Cms.Core.Models.PublishedContent;
+using Umbraco.Cms.Core.Models.TemporaryFile;
+using Umbraco.Cms.Core.PropertyEditors;
+using Umbraco.Cms.Core.PublishedCache;
+using Umbraco.Cms.Core.Routing;
+using Umbraco.Cms.Core.Services;
+using Umbraco.Cms.Core.Web;
+using Umbraco.Cms.Tests.Common.Testing;
+using Umbraco.Cms.Tests.Integration.Testing;
+
+namespace Umbraco.Cms.Tests.Integration.Umbraco.Infrastructure.PropertyEditors;
+
+[TestFixture]
+[UmbracoTest(Database = UmbracoTestOptions.Database.NewSchemaPerTest)]
+public class RichTextEditorPastedImagesTests : UmbracoIntegrationTest
+{
+    private static readonly Guid GifFileKey = Guid.Parse("E625C7FA-6CA7-4A01-92CD-FB5C6F89973D");
+
+    private static readonly Guid SvgFileKey = Guid.Parse("0E3A7DFE-DF09-4C3B-881C-E1B815A4502F");
+
+    protected override void ConfigureTestServices(IServiceCollection services)
+    {
+        // mock out the temporary file service so we don't have to read/write files from/to disk
+        var temporaryFileServiceMock = new Mock<ITemporaryFileService>();
+        temporaryFileServiceMock
+            .Setup(t => t.GetAsync(GifFileKey))
+            .Returns(Task.FromResult(new TemporaryFileModel
+            {
+                AvailableUntil = DateTime.UtcNow.AddDays(1),
+                FileName = "the-pixel.gif",
+                Key = GifFileKey,
+                OpenReadStream = () => new MemoryStream(Convert.FromBase64String("R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7"))
+            }));
+        temporaryFileServiceMock
+            .Setup(t => t.GetAsync(SvgFileKey))
+            .Returns(Task.FromResult(new TemporaryFileModel
+            {
+                AvailableUntil = DateTime.UtcNow.AddDays(1),
+                FileName = "the-vector.svg",
+                Key = SvgFileKey,
+                OpenReadStream = () => new MemoryStream(Encoding.UTF8.GetBytes(@"<svg viewBox=""0 0 70 74"" fill=""none"" xmlns=""http://www.w3.org/2000/svg""><rect width=""100%"" height=""100%"" fill=""black""/></svg>"))
+            }));
+
+        services.AddUnique<ITemporaryFileService>(temporaryFileServiceMock.Object);
+
+        // the integration tests do not really play nice with published content, so we need to mock a fair bit in order to generate media URLs
+        var publishedMediaTypeMock = new Mock<IPublishedContentType>();
+        publishedMediaTypeMock.SetupGet(c => c.ItemType).Returns(PublishedItemType.Media);
+
+        var publishedMediaMock = new Mock<IPublishedContent>();
+        publishedMediaMock.SetupGet(m => m.ContentType).Returns(publishedMediaTypeMock.Object);
+
+        var publishedMediaCacheMock = new Mock<IPublishedMediaCache>();
+        publishedMediaCacheMock.Setup(mc => mc.GetById(It.IsAny<Guid>())).Returns(publishedMediaMock.Object);
+
+        var umbracoContextMock = new Mock<IUmbracoContext>();
+        umbracoContextMock.SetupGet(c => c.Media).Returns(publishedMediaCacheMock.Object);
+        var umbracoContext = umbracoContextMock.Object;
+
+        var umbracoContextAccessor = new Mock<IUmbracoContextAccessor>();
+        umbracoContextAccessor.Setup(ca => ca.TryGetUmbracoContext(out umbracoContext)).Returns(true);
+
+        services.AddUnique<IUmbracoContextAccessor>(umbracoContextAccessor.Object);
+
+        var publishedUrlProviderMock = new Mock<IPublishedUrlProvider>();
+        publishedUrlProviderMock
+            .Setup(pu => pu.GetMediaUrl(It.IsAny<IPublishedContent>(), It.IsAny<UrlMode>(), It.IsAny<string?>(), It.IsAny<string>(), It.IsAny<Uri?>()))
+            .Returns("the-media-url");
+
+        services.AddUnique<IPublishedUrlProvider>(publishedUrlProviderMock.Object);
+    }
+
+    [Test]
+    public async Task Can_Handle_Temp_Gif_Image()
+    {
+        var html = $"<p><img data-tmpimg=\"{GifFileKey:D}\"></p>";
+        var subject = Services.GetRequiredService<RichTextEditorPastedImages>();
+
+        var result = await subject.FindAndPersistPastedTempImagesAsync(html, Guid.Empty, Constants.Security.SuperUserKey);
+        AssertContainsMedia(result, Constants.Conventions.MediaTypes.Image);
+    }
+
+    [Test]
+    public async Task Can_Handle_Temp_Svg_Image()
+    {
+        var html = $"<p><img data-tmpimg=\"{SvgFileKey:D}\"></p>";
+        var subject = Services.GetRequiredService<RichTextEditorPastedImages>();
+
+        var result = await subject.FindAndPersistPastedTempImagesAsync(html, Guid.Empty, Constants.Security.SuperUserKey);
+        AssertContainsMedia(result, Constants.Conventions.MediaTypes.VectorGraphicsAlias);
+    }
+
+    [Test]
+    public async Task Ignores_Non_Existing_Temp_Image()
+    {
+        var key = Guid.NewGuid();
+        var html = $"<p><img data-tmpimg=\"{key:D}\"></p>";
+        var subject = Services.GetRequiredService<RichTextEditorPastedImages>();
+
+        var result = await subject.FindAndPersistPastedTempImagesAsync(html, Guid.Empty, Constants.Security.SuperUserKey);
+        Assert.AreEqual(html, result);
+    }
+
+    [Test]
+    public async Task Can_Handle_Multiple_Temp_Images()
+    {
+        var html = $"<p><img data-tmpimg=\"{SvgFileKey:D}\"></p><p><img data-tmpimg=\"{GifFileKey:D}\"></p>";
+        var subject = Services.GetRequiredService<RichTextEditorPastedImages>();
+
+        var result = await subject.FindAndPersistPastedTempImagesAsync(html, Guid.Empty, Constants.Security.SuperUserKey);
+
+        var htmlDoc = new HtmlDocument();
+        htmlDoc.LoadHtml(result);
+        var imageNodes = htmlDoc.DocumentNode.SelectNodes("//img");
+        Assert.AreEqual(2, imageNodes.Count);
+
+        var udis = imageNodes.Select(imageNode => UdiParser.Parse(imageNode.Attributes["data-udi"].Value)).OfType<GuidUdi>().ToArray();
+        Assert.AreEqual(2, udis.Length);
+        Assert.AreNotEqual(udis.First().Guid, udis.Last().Guid);
+
+        var mediaService = Services.GetRequiredService<IMediaService>();
+        Assert.Multiple(() =>
+        {
+            Assert.IsNotNull(mediaService.GetById(udis.First().Guid));
+            Assert.IsNotNull(mediaService.GetById(udis.Last().Guid));
+        });
+    }
+
+    [Test]
+    public async Task Does_Not_Create_Duplicates_Of_The_Same_Temp_Image()
+    {
+        var html = $"<p><img data-tmpimg=\"{GifFileKey:D}\"></p><p><img data-tmpimg=\"{GifFileKey:D}\"></p>";
+        var subject = Services.GetRequiredService<RichTextEditorPastedImages>();
+
+        var result = await subject.FindAndPersistPastedTempImagesAsync(html, Guid.Empty, Constants.Security.SuperUserKey);
+
+        var htmlDoc = new HtmlDocument();
+        htmlDoc.LoadHtml(result);
+        var imageNodes = htmlDoc.DocumentNode.SelectNodes("//img");
+        Assert.AreEqual(2, imageNodes.Count);
+
+        var udis = imageNodes.Select(imageNode => UdiParser.Parse(imageNode.Attributes["data-udi"].Value)).OfType<GuidUdi>().ToArray();
+        Assert.AreEqual(2, udis.Length);
+        Assert.AreEqual(udis.First().Guid, udis.Last().Guid);
+
+        var mediaService = Services.GetRequiredService<IMediaService>();
+        Assert.IsNotNull(mediaService.GetById(udis.First().Guid));
+    }
+
+    private void AssertContainsMedia(string result, string expectedMediaTypeAlias)
+    {
+        Assert.IsFalse(result.Contains("data-tmpimg"));
+
+        var htmlDoc = new HtmlDocument();
+        htmlDoc.LoadHtml(result);
+        var imageNode = htmlDoc.DocumentNode.SelectNodes("//img").FirstOrDefault();
+        Assert.IsNotNull(imageNode);
+
+        Assert.IsTrue(imageNode.Attributes.Contains("src"));
+        Assert.AreEqual("the-media-url", imageNode.Attributes["src"].Value);
+
+        Assert.IsTrue(imageNode.Attributes.Contains("data-udi"));
+        Assert.IsTrue(UdiParser.TryParse(imageNode.Attributes["data-udi"].Value, out GuidUdi udi));
+        Assert.AreEqual(Constants.UdiEntityType.Media, udi.EntityType);
+
+        var media = Services.GetRequiredService<IMediaService>().GetById(udi.Guid);
+        Assert.IsNotNull(media);
+        Assert.AreEqual(expectedMediaTypeAlias, media.ContentType.Alias);
+    }
+}