The kramdown gem before 2.3.0 for Ruby processes the template option inside Kramdown documents by default, which allows unintended read access (such as template="/etc/passwd") or unintended embedded Ruby code execution (…
CVSS 3.1CRITICAL 9.8·Network·No auth·No interaction·EPSS 0.0456·Published 2020-07-17·Fixed in 2.3.0CWE-862