Yes, I see that. But it is vague, and is very much not up to the standards of international journalistic integrity. Here's a list of guidelines that news organizations around the world strive to stick to:

https://ijnet.org/en/resource/writing-photo-captions

As you can see in the photo on the posted article, there is no attribution. There is also no text that clearly labels it as a stock image. The phrase "this photo is illustrative" does not do a good job of conveying that. Additionally, the annotation on the image is misleading. If it's the date stamp of the article, it's a poor practice to overlay that over the image, because typically when you have a date annotation on an image, you're conveying that that's the date that photo was taken.

What they should have done is provide an annotation directly under the photo conveying that it was an image from earlier on in the war showing Russian soldiers surrendering. If the origin of the photo was known, then they should also include that (eg. AFP/Getty Images). If there was a known date that the photo was taken, they should include that.

Basically, they did a shit job at annotating their source photo, and it is an unforgivable sin for organizations that value journalistic integrity. Since this organization clearly doesn't value it enough to get it right, I cannot trust their reporting.