Image extensions inside product is not working properly

Issue

• Steps to reproduce:
  1. Navigate to Commerce > Products.
  2. Create any simple products.
  3. Navigate to media.
  4. Take any PDF and change its extension to "png".
  5. Make sure png is accepted in the image upload.
  Actual Result: The image is getting uploaded.
  Expected Result: PDF files should not be allowed. It should check the file's proper type (mime type) and not just the extension.

Environment

• Liferay DXP 7.4
• Commerce 4.0

Resolution

• The observed behavior is a known Liferay DXP bug which has been addressed in Liferay DXP 7.4 Update 82.

Additional Information

• COMMERCE-11648
• Installing a Bundled Service Pack or Update