This might be proprietary software.

#Vulnerabilities 2
Date Id Summary Products Score Patch Annotated
2020-07-17 CVE-2020-14001 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 (such as a string that begins with template="string://<%= `). NOTE: kramdown is used in Jekyll, GitLab Pages, GitHub Pages, and Thredded Forum. Debian_linux, Kramdown 9.8
2021-03-19 CVE-2021-28834 Kramdown before 2.3.1 does not restrict Rouge formatters to the Rouge::Formatters namespace, and thus arbitrary classes can be instantiated. Debian_linux, Fedora, Kramdown 9.8