NULL CATHEDRAL - Css
https://nullcathedral.com/tags/css/
Generated: 2026-04-10
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2026-03-18 | Roundcube round two: three more sanitizer bypasses
https://nullcathedral.com/posts/2026-03-18-roundcube-round-two-three-more-sanitizer-bypasses/
Three more bypasses in Roundcube's HTML sanitizer: SMIL animation attributes load remote resources, unquoted body backgrounds enable CSS injection, and position:fixed !important enables phishing overlays.