CVE-2026-124636: kevquirk PureBlog Page Editor content.php save_page path traversal

A security flaw has been discovered in kevquirk PureBlog up to 3.7.2. The affected element is the function savepage of the file includes/lib/content.php of the component Page Editor. Performing a manipulation of the argument page slug results in path traversal. Remote exploitation of the attack is possible. Upgrading to version 3.7.3 is sufficient to fix this issue. The patch is named 71f5b0de2ecb2bb2934048ed40e1155c107484e3. The affected component should be upgraded. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.