Highlights
Cross-Site Scripting: 1 prior fix. Scrutinize any change in this area.
lib/rack/contrib/jsonp.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.
Cross-Site Scripting: 1 historical fix(es) link lib/rack/contrib/jsonp.rb to Cross-Site Scripting.
Prototype Pollution: 1 historical fix(es) link lib/rack/contrib/post_body_content_type_parser.rb to Prototype Pollution.