Despite what The Poetry Foundation claims, and despite the Modern English translation by one of their own, the Early West Saxon text is Public Domain.
Although The Poetry Foundation still promises to track all your content
The OP article, published by Trinity College Dublin, and the original, and the photograph, are expressly CC-BY-ND 4.0. This is not a "free license", but it is a Creative Commons License.
https://theconversation.com/we-found-a-lost-copy-of-the-earl...
It looks to me like Poetry Foundation did it right. The modern translation has a copyright notice, the Early West Saxon version has none. I was being a little coy as anything older than Mickey Mouse is fair game. It's not a particularly marginal call, if you know what I mean