SQL injection in the RelatedProduct block in Mageplaza Blog for Magento 2 (mageplaza/magento-2-blog-extension) through 4.3.2 allows remote unauthenticated attackers to execute arbitrary SQL commands and read arbitrary database contents via the id parameter to /mpblog/post/view.
https://github.com/mageplaza/magento-2-blog/tree/v4.3.2
https://gist.github.com/mrtantoine/417ee9b774f022bd747211b9eadc0069