Uploaded July 2022 | Updated September 2026, 2 weeks ago
In 1995 Netscape invented JavaScript (LiveScript) and it marked the start of client-side web security issues. In this video we explore this history and learn about the same origin policy (SOP).
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Watch this video and more on Hextree: app.hextree.io/courses/yt-history-xss/history-of-xss
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Cookies Explained: web.archive.org/web/19970605224124/http://help.netscape.com/kb/client/970226-2.html
Netscape 2.0b1 LiveScript: web.archive.org/web/20021212124306/http://wp.netscape.com:80/eng/mozilla/2.0/relnotes/windows-2.0b1.html
Netscape 2.0b2 JavaScript: web.archive.org/web/20041211182909/http://wp.netscape.com/eng/mozilla/2.0/relnotes/windows-2.0b2.html
JavaScript Documentation: web.archive.org/web/19970613234917/http://home.netscape.com/eng/mozilla/2.0/handbook/javascript/index.html
Netscape 2.02 Security Fixes: web.archive.org/web/20030711134218/http://wp.netscape.com/eng/mozilla/2.02/relnotes/windows-2.02Gold.html#Security2
Netscape 3: web.archive.org/web/20020808153106/http://wp.netscape.com:80/eng/mozilla/3.0/handbook/javascript/advtopic.htm#1009533
Bugtraq Java Applet RCE: seclists.org/bugtraq/1996/Jun/27
Donate to Web Archive: archive.org/donate
CHAPTERS
00:00 - Intro and Motivation
00:43 - How the Internet Works
01:43 - Online Services in 1994/95
03:08 - JavaScript Released in 1995
04:40 - HTML frames and framesets
05:16 - Cross-Domain Attack Example
06:54 - Fixing the Attack
08:00 - The First Web Exploit?
08:37 - The Same Origin Policy (SOP)
09:35 - Historical Context: Crashes, Java Applets, ...
11:06 - Outro and Shoutout
SUPPORT
Per video: patreon.com/join/liveoverflow
Per month: youtube.com/channel/UClcE-kVhqyiHCcjYwcpfj9w/join
Buy my handwriting font (ad): shop.liveoverflow.com
WATCH, FOLLOW & READ
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Twitch: twitch.tv/LiveOverflow
Twitter: twitter.com/LiveOverflow
Instagram: instagram.com/LiveOverflow
TikTok: tiktok.com/@liveoverflow_
LiveOverflow blog: liveoverflow.com
Hextree blog (ad): hextree.io/blog
#WebSecurity #Sop #LiveOverflow
(ad) LiveOverflow YouTube channel is supported by advertisement and product placement.
In 1995 Netscape invented JavaScript (LiveScript) and it marked the start of client-side web security issues. In this video we explore this history and learn about the same origin policy (SOP).
LEARN ON HEXTREE (ad)
Learn hacking on Hextree: hextree.io
Watch this video and more on Hextree: app.hextree.io/courses/yt-history-xss/history-of-xss
Join the Hextree Discord: discord.gg/xgQpCQCpvy
Cookies Explained: web.archive.org/web/19970605224124/http://help.netscape.com/kb/client/970226-2.html
Netscape 2.0b1 LiveScript: web.archive.org/web/20021212124306/http://wp.netscape.com:80/eng/mozilla/2.0/relnotes/windows-2.0b1.html
Netscape 2.0b2 JavaScript: web.archive.org/web/20041211182909/http://wp.netscape.com/eng/mozilla/2.0/relnotes/windows-2.0b2.html
JavaScript Documentation: web.archive.org/web/19970613234917/http://home.netscape.com/eng/mozilla/2.0/handbook/javascript/index.html
Netscape 2.02 Security Fixes: web.archive.org/web/20030711134218/http://wp.netscape.com/eng/mozilla/2.02/relnotes/windows-2.02Gold.html#Security2
Netscape 3: web.archive.org/web/20020808153106/http://wp.netscape.com:80/eng/mozilla/3.0/handbook/javascript/advtopic.htm#1009533
Bugtraq Java Applet RCE: seclists.org/bugtraq/1996/Jun/27
Donate to Web Archive: archive.org/donate
CHAPTERS
00:00 - Intro and Motivation
00:43 - How the Internet Works
01:43 - Online Services in 1994/95
03:08 - JavaScript Released in 1995
04:40 - HTML frames and framesets
05:16 - Cross-Domain Attack Example
06:54 - Fixing the Attack
08:00 - The First Web Exploit?
08:37 - The Same Origin Policy (SOP)
09:35 - Historical Context: Crashes, Java Applets, ...
11:06 - Outro and Shoutout
SUPPORT
Per video: patreon.com/join/liveoverflow
Per month: youtube.com/channel/UClcE-kVhqyiHCcjYwcpfj9w/join
Buy my handwriting font (ad): shop.liveoverflow.com
WATCH, FOLLOW & READ
Second channel: youtube.com/LiveUnderflow
Twitch: twitch.tv/LiveOverflow
Twitter: twitter.com/LiveOverflow
Instagram: instagram.com/LiveOverflow
TikTok: tiktok.com/@liveoverflow_
LiveOverflow blog: liveoverflow.com
Hextree blog (ad): hextree.io/blog
#WebSecurity #Sop #LiveOverflow
(ad) LiveOverflow YouTube channel is supported by advertisement and product placement.










