| Package | Affected versions | Patched versions |
|---|---|---|
| kramdown | < 2.3.0 | 2.3.0 |
| kramdown | < 2.3.0 | 2.3.0 |
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.
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