Highlights
Auth Bypass: 10 prior fixes. Scrutinize any change in this area.
application/common/library/Upload.php: most-fixed (4 issues). Treat as high-risk during review.
14 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.
Auth Bypass: Multiple fixes address missing ownership/subtree checks on group edit and rule propagation, allowing privilege escalation.
Auth Bypass: Admin edit/delete lacked authorization checks, enabling unauthorized modification of admin accounts.
Arbitrary File Upload: Upload validation has been patched multiple times for suffix/mimetype bypasses and path traversal, indicating a high-risk surface.