Security context

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

myintervals/php-css-parser

              main @ aa472b3
            

Fixes

CVEs

CRITICAL

Peak severity

Highlights

Remote Code Execution: 1 prior fix. Scrutinize any change in this area.

lib/Sabberworm/CSS/CSSList/CSSBlockList.php: most-fixed (1 issue). Treat as high-risk during review.

1 high-severity fix in this history; regressions here are high-impact.

Recurring patterns

The bug types that recur here, drawn from past fixes, not open vulnerabilities.

Remote Code Execution: The use of an arbitrary eval sink during selector specificity comparison allowed remote attackers to execute arbitrary PHP code via crafted CSS input. This was mitigated by refactoring the dynamic evaluation into static switch-case comparison logic.