diff --git a/src/Umbraco.Cms.Imaging.ImageSharp/ConfigureImageSharpMiddlewareOptions.cs b/src/Umbraco.Cms.Imaging.ImageSharp/ConfigureImageSharpMiddlewareOptions.cs
index 9a1ecead89b2..79fcd0a9bf05 100644
--- a/src/Umbraco.Cms.Imaging.ImageSharp/ConfigureImageSharpMiddlewareOptions.cs
+++ b/src/Umbraco.Cms.Imaging.ImageSharp/ConfigureImageSharpMiddlewareOptions.cs
@@ -1,3 +1,4 @@
+using System.Globalization;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Http.Headers;
 using Microsoft.Extensions.Options;
@@ -48,16 +49,32 @@ public void Configure(ImageSharpMiddlewareOptions options)
                 return Task.CompletedTask;
             }
 
-            int width = context.Parser.ParseValue<int>(context.Commands.GetValueOrDefault(ResizeWebProcessor.Width), context.Culture);
-            if (width <= 0 || width > _imagingSettings.Resize.MaxWidth)
+            if (context.Commands.Contains(ResizeWebProcessor.Width))
             {
-                context.Commands.Remove(ResizeWebProcessor.Width);
+                if (!int.TryParse(
+                    context.Commands.GetValueOrDefault(ResizeWebProcessor.Width),
+                    NumberStyles.Integer,
+                    CultureInfo.InvariantCulture,
+                    out var width)
+                || width < 0
+                || width >= _imagingSettings.Resize.MaxWidth)
+                {
+                    context.Commands.Remove(ResizeWebProcessor.Width);
+                }
             }
 
-            int height = context.Parser.ParseValue<int>(context.Commands.GetValueOrDefault(ResizeWebProcessor.Height), context.Culture);
-            if (height <= 0 || height > _imagingSettings.Resize.MaxHeight)
+            if (context.Commands.Contains(ResizeWebProcessor.Height))
             {
-                context.Commands.Remove(ResizeWebProcessor.Height);
+                if (!int.TryParse(
+                    context.Commands.GetValueOrDefault(ResizeWebProcessor.Height),
+                    NumberStyles.Integer,
+                    CultureInfo.InvariantCulture,
+                    out var height)
+                || height < 0
+                || height >= _imagingSettings.Resize.MaxHeight)
+                {
+                    context.Commands.Remove(ResizeWebProcessor.Height);
+                }
             }
 
             return Task.CompletedTask;
diff --git a/src/Umbraco.Cms.Imaging.ImageSharp2/ConfigureImageSharpMiddlewareOptions.cs b/src/Umbraco.Cms.Imaging.ImageSharp2/ConfigureImageSharpMiddlewareOptions.cs
index 8daa1b689b01..dcc67bf5d32e 100644
--- a/src/Umbraco.Cms.Imaging.ImageSharp2/ConfigureImageSharpMiddlewareOptions.cs
+++ b/src/Umbraco.Cms.Imaging.ImageSharp2/ConfigureImageSharpMiddlewareOptions.cs
@@ -1,3 +1,4 @@
+using System.Globalization;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Http.Headers;
 using Microsoft.Extensions.Options;
@@ -47,20 +48,32 @@ public void Configure(ImageSharpMiddlewareOptions options)
                 return Task.CompletedTask;
             }
 
-            var width = context.Parser.ParseValue<int>(
-                context.Commands.GetValueOrDefault(ResizeWebProcessor.Width),
-                context.Culture);
-            if (width <= 0 || width > _imagingSettings.Resize.MaxWidth)
+            if (context.Commands.Contains(ResizeWebProcessor.Width))
             {
-                context.Commands.Remove(ResizeWebProcessor.Width);
+                if (!int.TryParse(
+                        context.Commands.GetValueOrDefault(ResizeWebProcessor.Width),
+                        NumberStyles.Integer,
+                        CultureInfo.InvariantCulture,
+                        out var width)
+                    || width < 0
+                    || width >= _imagingSettings.Resize.MaxWidth)
+                {
+                    context.Commands.Remove(ResizeWebProcessor.Width);
+                }
             }
 
-            var height = context.Parser.ParseValue<int>(
-                context.Commands.GetValueOrDefault(ResizeWebProcessor.Height),
-                context.Culture);
-            if (height <= 0 || height > _imagingSettings.Resize.MaxHeight)
+            if (context.Commands.Contains(ResizeWebProcessor.Height))
             {
-                context.Commands.Remove(ResizeWebProcessor.Height);
+                if (!int.TryParse(
+                        context.Commands.GetValueOrDefault(ResizeWebProcessor.Height),
+                        NumberStyles.Integer,
+                        CultureInfo.InvariantCulture,
+                        out var height)
+                    || height < 0
+                    || height >= _imagingSettings.Resize.MaxHeight)
+                {
+                    context.Commands.Remove(ResizeWebProcessor.Height);
+                }
             }
 
             return Task.CompletedTask;