Highlights
Cross-Site Scripting: 15 prior fixes. Scrutinize any change in this area.
includes/upload/UploadBase.php: most-fixed (3 issues). Treat as high-risk during review.
27 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: 3 historical fix(es) link includes/upload/UploadBase.php to Cross-Site Scripting.
Authentication Bypass: 1 historical fix(es) link includes/User.php to Authentication Bypass.
Authorization Bypass: 1 historical fix(es) link SpecialRedirect.php to Authorization Bypass.