Security context

What an agent needs to avoid regressing past fixes and find the next vuln in this repo.

friendsofsymfony/fosjsroutingbundle

              master @ c8af953
            

Fixes

CVEs

MEDIUM

Peak severity

Highlights

Reflected XSS: 3 prior fixes. Scrutinize any change in this area.

Controller/Controller.php: most-fixed (3 issues). Treat as high-risk during review.

0 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.

Reflected XSS: The controller serves as the central endpoint for publishing JavaScript routing details. Inadequate validation of the JSONP 'callback' parameter has repeatedly allowed attackers to inject malicious payloads into HTTP responses. Remediation evolved from basic character allowlists to integrating external validation engines.