No they don't.
The need to have the name of the person, dated taken and who took it.
As I said before, one is entitled to take photographs themselves - even a selfi will do provided they meet the specifications. So, will an individual be required to get a "stamp" made? C'mon folks, wake up.
Here it is from CIC Website:
https://www.canada.ca/en/immigration-refugees-citizenship/services/application/application-forms-guides/citizenship-application-photograph-specifications.html
Requirements
- Provide two (2) identical citizenship photographs (except Renunciation applications, where only one (1) photo is required.)
- Your photographs must comply with the specifications below. If the photographs do not meet the specifications, you will have to provide new photographs before your application can be processed.
- Photographs must be printed on quality photographic paper.
- Provide the name of the photographer or the studio, the studio address and the date the photos were taken on the back of the photos
- Print the name of the person on the back of the photos.
Specifications
- The photographs must be identical and taken within the last six months. They may be either black and white or colour.
- The photographs must be clear, well defined and taken against a plain white or light-coloured background.
- If the photographs are digital, they must not be altered in any way.
- Your face must be square to the camera with a neutral expression, neither frowning nor smiling, and with your mouth closed.
- You may wear non-tinted prescription glasses as long as your eyes are clearly visible. Make sure that the frame does not cover any part of your eyes. Sunglasses are not acceptable.
- A hairpiece or other cosmetic accessory is acceptable if it does not disguise your normal appearance.
- If you must wear a head covering for religious reasons, make sure your full facial features are not obscured.