In Splunk Enterprise versions below 8.1.12, 8.2.9, and 9.0.2, an authenticated user can perform an extensible markup language (XML) external entity (XXE) injection via a custom View. The XXE injection causes Splunk Web to embed incorrect documents into an error.
https://www.splunk.com/en_us/product-security/announcements/svd-2022-1110.html