Highlights
Path Traversal: 2 prior fixes. Scrutinize any change in this area.
lib/jekyll/converters/sass.rb: most-fixed (1 issue). Treat as high-risk during review.
2 high-severity fixes in this history; regressions here are high-impact.
Recurring patterns
The bug types that recur here, drawn from past fixes, not open vulnerabilities.
Path Traversal: User-controlled glob patterns in Dir.glob expand to arbitrary filesystem paths that are then used as Sass load paths, allowing inclusion of files outside the source directory.
Path Traversal: Manual File.join with user-controlled sass_dir and File.expand_path allows escaping the source directory when constructing load paths, enabling inclusion of arbitrary files.