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San Francisco, USA

 

Checking for Cross-Site Scripting Vulnerability

Netcraft.com brings my attention to cross-site scripting security problem. I have examined this website for vulnerabilities. This problem is usually caused by systems not checking input received from user or third party before using it. One place this website receives input is the RSS new feeds. I have crafted a test RSS with embedded javascript. Some RSS feeder (including this website) display the content as is. They should have (arguably) strip off the embedded script before displaying it. I promptly plugged this by escaping the meta characters before outputting them on the web pages.

An important element for cross-site scripting is that a third party can use a reputable website as a conduit to inject questionable code in their context. In this case the news feeder's communication is only between this website and the news source. I am not aware of any loop hole for third party to get involved. But in the world of open communication it is better to be safe to test for all input before use.

2004.07.20 [, ] - comments

 

pyBlosxom Upgrade

I have finally ditched my home grown blog formatter for pyBlosxom, a very simple file based weblog server. It only take me several hours to setup and integrated with my web pages. Customization is fairly easy. I have designed the style to look, well, like the same old home page (pyBlosxom itself does not come with any decent template anyway). So far the only thing new is the calendar on the left. But I plan to add other features in the coming days.

I have downloaded Movable Type for months and never get to set it up. The database and third party library requirement really puts me off. Yet I am able to setup pyBlosxom within hours. I am really please with its light weight design and the text file based repository.

The main motivation for upgrade is the need to add permalink to the entries. I have some successful experimented with pyBlosxom but I still need some more work before publishing them. After all, permalinks means permanent. So I want to get it right.

2004.07.01 [] - comments

 

past articles »

 

BBC News

 

Burkina Faso's president resigns (31 Oct 2014)

 

UN chief defends Ebola aid workers (31 Oct 2014)

 

China makes 'biggest cash haul' (31 Oct 2014)

 

Meyiwa suspect in court in S Africa (31 Oct 2014)

 

Lawsuit over Malaysia missing plane (31 Oct 2014)

 

Key Jerusalem holy site reopens (31 Oct 2014)

 

IPCC debates 'most important' report (30 Oct 2014)

 

Deadly blast at Nigeria bus station (31 Oct 2014)

 

Hungary scraps controversial web tax (31 Oct 2014)

 

Myanmar in rare multi-party talks (31 Oct 2014)

more »

 

Slashdot News for nerds, stuff that matters

 

Facebook Sets Up Shop On Tor (2014-10-31T16:18:00Z)

 

MPAA Bans Google Glass In Theaters (2014-10-31T15:35:00Z)

 

Breaching Air-Gap Security With Radio (2014-10-31T14:49:00Z)

 

Hungary's Plans For Internet Tax On Hold After Protests (2014-10-31T14:15:00Z)

 

Most Planets In the Universe Are Homeless (2014-10-31T13:29:00Z)

 

Microsoft Enters the Wearables Market With 'Band' (2014-10-31T12:47:00Z)

 

Ask Slashdot: Can You Say Something Nice About Systemd? (2014-10-31T12:04:00Z)

 

Statisticians Study Who Was Helped Most By Obamacare (2014-10-31T09:25:00Z)

more »

 

TechPsychic Tech Rumors and Invented News

more »

 

SF Gate

 

Bay Area News (7 Jan 2012)

 

City Insider (11 Feb 2012)

 

Crime Scene (13 Feb 2012)

 

C.W Newius Column (10 Jan 2012)

 

C.W. Nevius Blog (11 Feb 2012)

 

Education News (10 Jan 2012)

 

KALW (11 Feb 2012)

 

Matier and Ross Blog (11 Feb 2012)

 

The Fed leaves the American public behind (30 Oct 2014)

 

Cool job: Get paid to whip up fabulous Halloween costumes (30 Oct 2014)

 

Business news roundup, Oct. 31 (30 Oct 2014)

 

Microsoft releases fitness band that tracks health data (30 Oct 2014)

 

Movie theaters ban Google Glass (30 Oct 2014)

 

Ship traffic (30 Oct 2014)

more »

 

Asia Times Online

 

THE ROVING EYE The Caliph fit to join OPEC (Fri 28 Oct 2014 11:00:00 GMT)

 

What stays the coalition's hand in Kobani (Fri 28 Oct 2014 11:00:00 GMT)

 

(Fri 28 Oct 2014 11:00:00 GMT)

 

Rule of men, not law in Afghanistan (Fri 28 Oct 2014 11:00:00 GMT)

 

THE SAKER 'Novorussian' leaders find common ground (Fri 28 Oct 2014 11:00:00 GMT)

 

Kashmir skirmishes Modi's first test (Fri 28 Oct 2014 11:00:00 GMT)

 

BOOK REVIEW Sex in the Tibetan city (Fri 28 Oct 2014 11:00:00 GMT)

 

Laos to open sale of land to foreigners (Fri 28 Oct 2014 11:00:00 GMT)

more »

 


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