Skip to content

Dan Q

    • Articles
    • Everything
    • Notes
    • Reposts (shares)
    • Checkins (geo*)
    • Videos
    • Reviews
    • Comics
    • Tags
    • Stats
    • Subscribe
    • Blogroll
  • About
    • Semi-standard "slash pages" you might like to explore:
    • /about
    • /blank
    • /blogroll
    • /colophon
    • /contact
    • /cv
    • /events
    • /license
    • /pfp
    • /postcards
    • /privacy
    • /salary
    • /shh
    • /slashes
    • /stats
    • /subscribe
    • /where
    • Hide posts of type:
    • Choose how Dan's dressed:
    • Hair
    • T-Shirt
  • Contact
  • Podcast

Tag: xss

  • Screenshot of the chat room of a forum, but the new shoutbox message contains an 88ร—31 animated GIF that says 'Dan Q', where the 'Q' spins on its axis.

    Why Security Engineering needs a Hacker Mentality

    Security engineering is about a lot of things, but the best security engineers show the 'hacker mindset' characteristics of curiosity and imagination. Here's an example of how I found an XSS vulnerability in a forum, mostly by accident, and how curiosity was the key.

    Read more - about 4 minutes (718 words)

    • Article
    • 1 comment
    • posted 13 March, 2026
  • Third-party libraries and security issues

    A month or so ago Chris Ferdinandi recommended that developers avoid third-party libraries for security reasons. Dan partially-agrees, but feels the need to explain where and why he disagrees too.

    Read more - about 3 minutes (661 words)

    • Repost
    • 9 comments
    • posted 6 April, 2020
  • Image representing post: Anatomy of Cookie XSS

    Anatomy of Cookie XSS

    Using a real-life vulnerability he discovered on the University of Oxford's IT Services website as an example, Dan reminds you of the importance of sanitising even cookie data to prevent XSS vulnerabilities.

    Read more - about 3 minutes (580 words)

    • Article
    • 6 comments
    • posted 16 June, 2016

Get in Touch

I'd love to hear from you! Why not...

  • email me on blog@danq.me?
    (my spam filter is aggressive, so use a good subject line, i.e. not just "hello"; encrypt your email if you like)
  • say hi on Mastodon, where I'm @dan@danq.me?
  • send a letter or postcard to
    Dan Q, Unit 159610, PO Box 7169, Poole, BH15 9EL, UK
  • reach out some other way?
  • ยฉ Dan Q 1998-2026
  • Creative CommonsAttributionNon-Commercial except where stated (how to use)
  • powered by BloqClassicPressHTML5CSS3
  • privacy
  • Read articles, checkins, notes, reposts, and more...
  • @dan@danq.me
  • contact
  • subscribe
  • Dan Q
  • Creative Commons Attribution Non-Commercial license
  • ClassicPress
  • CSS is awesome
  • Created by a human, not by AI
  • LGBTQ+ pride flag (2018 progress variant)
  • Polyamory flag
  • Say no to Web3
  • Mastodon (it's like email... no, come back!)
  • Tested on Firefox
  • Best viewed on the Internet
  • PHP
  • Ruby
  • Debian
  • Caddy (webserver)
  • Find me on Melonland
  • Check out my GitHub
  • Three Rings - by volunteers, for volunteers, since 2002
  • I'm a fucking webmaster
  • Looks best at: any resolution!