10 Quick Facts About XSS Viruses and Worms
What You Need to Know Now
1.” Are likely to originate on popular websites with community-driven features
such as social networking, blogs, user reviews, message boards, chat
rooms, web mail, and wikis.
2.” Can occur at any time because the vulnerability (Cross-Site Scripting)
required for propagation exists in over 80% of all websites.
3.” Are capable of propagating faster and cleaner than even the most
notorious worms such as Code Red, Slammer and Blaster.
4.” Could create a Web browser botnet enabling massive DDoS attacks. The
potential also exists to damage data, send spam, or defraud customers.
5.” Maintain operating system independence (Windows, Linux, Macintosh OS
X, etc.) since execution occurs in the web browser.
6.” Circumvent network congestion by propagating in a web server-to-web
browser (client-server) model rather than a typical blind peer-to-peer
7.” Do not rely on web browser or operating system vulnerabilities.
8.” May propagate by utilizing third-party providers of Web page widgets
traffic counters, etc.)
9.” Will be a challenge to spot because the network behavior of infected
hard to distinguish from normal web page markup.
10.” Are easier to stop than traditional Internet viruses because denying access
to the infectious website will quarantine the spread.