New CSS Attacks Break Webmail Defenses to Steal Passwords and Tokens
New research presented at Black Hat USA 2026 reveals that CSS and HTML techniques can break out of email message boundaries to…
Tag: webmail security
PortSwigger Research Exposes CSS Attacks on Webmail
PortSwigger researcher Gareth Heyes presented new CSS-based attacks at Black Hat USA 2026 that can break webmail defenses to steal passwords and…
Black Hat USA 2026 Highlights CSS Attacks on Webmail
At Black Hat USA 2026, PortSwigger researcher Gareth Heyes presented new CSS attacks that break webmail defenses to steal passwords and tokens.